A Greek helicopter pilot is appearing in court in Athens on charges of premeditated murder over the death of his young wife, who authorities say he confessed to killing after claiming for more than a month that the woman had died during a brutal home robbery.

Pilot and flight instructor Babis Anagnostopoulos, 33, arrived in court Tuesday in Athens wearing a bulletproof vest and under heavy police guard. He is accused of killing Caroline Crouch, 20, who died of suffocation on May 11 at the couple’s home on the outskirts of Athens.

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Helicopter pilot Babis Anagnostopoulos, left, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

A Greek helicopter pilot is appearing in court in Athens on charges of premeditated murder over the death of his young wife, who authorities say he confessed to killing after claiming for more than a month that the woman had died during a brutal home robbery.

Helicopter pilot Babis Anagnostopoulos, center, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Their baby was unharmed, but authorities said the family dog was found choked to death with its own leash.

Helicopter pilot Babis Anagnostopoulos, left, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Anagnostopoulos has been charged with felony counts of premeditated murder and animal abuse, and misdemeanor counts of providing false testimony and filing a false police report about the robbery.

Helicopter pilot Babis Anagnostopoulos, center in white vest, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Helicopter pilot Babis Anagnostopoulos, center in white vest, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Protesters take part in a rally against domestic violence outside a court house where helicopter pilot Babis Anagnostopoulos is giving evidence after being charged with the murder of his British-Greek wife, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Protesters take part in a rally against domestic violence outside a court house where helicopter pilot Babis Anagnostopoulos is giving evidence after being charged with the murder of his British-Greek wife, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Protesters take part in a rally against domestic violence outside a court house where helicopter pilot Babis Anagnostopoulos is giving evidence after being charged with the murder of his British-Greek wife, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Protesters take part in a rally against domestic violence outside a court house where helicopter pilot Babis Anagnostopoulos is giving evidence after being charged with the murder of his British-Greek wife, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Helicopter pilot Babis Anagnostopoulos, center, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Helicopter pilot Babis Anagnostopoulos, center, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Helicopter pilot Babis Anagnostopoulos, left, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Helicopter pilot Babis Anagnostopoulos, left, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

The pilot had publicly claimed that armed robbers broke into their home at night, tying up and gagging him and his wife in their bedroom while their nearly one-year-old daughter slept. He had said the men stole cash before escaping.

Helicopter pilot Babis Anagnostopoulos, left, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Helicopter pilot Babis Anagnostopoulos, left, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Their baby was unharmed, but authorities said the family dog was found choked to death with its own leash.

The account shocked the nation and prompted authorities to announce a 300,000 euro ($365,000) reward for information about the crime.

Police investigators said analysis of data from a smartwatch worn by Crouch had helped reveal inconsistencies in the pilot’s account of events.

Helicopter pilot Babis Anagnostopoulos, center, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Helicopter pilot Babis Anagnostopoulos, center, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Anagnostopoulos has been charged with felony counts of premeditated murder and animal abuse, and misdemeanor counts of providing false testimony and filing a false police report about the robbery.

If convicted on all counts, he would face a life sentence.

Helicopter pilot Babis Anagnostopoulos, left, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Helicopter pilot Babis Anagnostopoulos, left, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Helicopter pilot Babis Anagnostopoulos, center in white vest, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Helicopter pilot Babis Anagnostopoulos, center in white vest, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Protesters take part in a rally against domestic violence outside a court house where helicopter pilot Babis Anagnostopoulos is giving evidence after being charged with the murder of his British-Greek wife, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Protesters take part in a rally against domestic violence outside a court house where helicopter pilot Babis Anagnostopoulos is giving evidence after being charged with the murder of his British-Greek wife, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Protesters take part in a rally against domestic violence outside a court house where helicopter pilot Babis Anagnostopoulos is giving evidence after being charged with the murder of his British-Greek wife, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Protesters take part in a rally against domestic violence outside a court house where helicopter pilot Babis Anagnostopoulos is giving evidence after being charged with the murder of his British-Greek wife, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Helicopter pilot Babis Anagnostopoulos, center, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Helicopter pilot Babis Anagnostopoulos, center, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Helicopter pilot Babis Anagnostopoulos, left, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)

Helicopter pilot Babis Anagnostopoulos, left, escorted by police officers arrives to the prosecutor's office at a court to give evidence, in Athens, Tuesday, June 22, 2021. Anagnostopoulos was charged last Friday with the murder of his British-Greek wife, Caroline Crouch, 20, whose death he had initially claimed was caused by burglars during a brutal invasion of their home on the outskirts of Athens. (AP PhotoPetros Giannakouris)