Five of the men accused in a plot to kidnap Michigan Gov. Gretchen Whitmer will return to federal court Friday as a hearing on whether there is enough evidence to charge them continues.

A federal judge also plans to consider whether two of the men, including the Michigan man described by federal authorities as the ringleader of the effort, should remain in jail before trial.

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In a photo provided by the Kent County Sheriff, Kaleb Franks is shown in a booking photo. Franks is one of several people charged with plotting to kidnap Michigan Democratic Gov. Gretchen Whitmer, authorities said Thursday, Oct. 8, 2020, in announcing charges in an alleged scheme that involved months of planning and even rehearsals to snatch Whitmer from her vacation home. (Kent County Sheriff via AP)

Five of the men accused in a plot to kidnap Michigan Gov. Gretchen Whitmer will return to federal court Friday as a hearing on whether there is enough evidence to charge them continues.

In a photo provided by the Kent County Sheriff, Brandon Caserta is shown in a booking photo. Caserta is one of several people charged with plotting to kidnap Michigan Democratic Gov. Gretchen Whitmer, authorities said Thursday, Oct. 8, 2020, in announcing charges in an alleged scheme that involved months of planning and even rehearsals to snatch Whitmer from her vacation home. (Kent County Sheriff via AP)

A sixth man, Delaware resident Barry Croft, was separately ordered to be transferred to Michigan earlier this week.

In a photo provided by the Kent County Sheriff, Ty Garbin is shown in a booking photo. Garbin is one of several people charged with plotting to kidnap Michigan Democratic Gov. Gretchen Whitmer, authorities said Thursday, Oct. 8, 2020, in announcing charges in an alleged scheme that involved months of planning and even rehearsals to snatch Whitmer from her vacation home. (Kent County Sheriff via AP)

Fox and Croft were among those who attended that session, according to testimony and federal court documents. But it was not clear if talk of targeting Northam went beyond that meeting, and nothing from the complaint or Trask’s testimony indicated that anyone had been charged with a plot involving Northam.

In a photo provided by the Kent County Sheriff, Daniel Harris is shown in a booking photo. Harris is one of several people charged with plotting to kidnap Michigan Democratic Gov. Gretchen Whitmer, authorities said Thursday, Oct. 8, 2020, in announcing charges in an alleged scheme that involved months of planning and even rehearsals to snatch Whitmer from her vacation home. (Kent County Sheriff via AP)

Prosecutors, though, said some of the men conducted surveillance of Whitmer's northern Michigan house in August and September and four of the men had planned to meet last week to pay for explosives and exchange tactical gear.

CORRECTS CHARGES - In a photo provided by the Kent County Sheriff, Adam Dean Fox is shown in a booking photo. Fox is one of several people charged with plotting to kidnap Michigan Democratic Gov. Gretchen Whitmer, authorities said Thursday, Oct. 8, 2020, in announcing charges in an alleged scheme that involved months of planning and even rehearsals to snatch Whitmer from her vacation home. (Kent County Sheriff via AP)

CORRECTS CHARGES - In a photo provided by the Kent County Sheriff, Adam Dean Fox is shown in a booking photo. Fox is one of several people charged with plotting to kidnap Michigan Democratic Gov. Gretchen Whitmer, authorities said Thursday, Oct. 8, 2020, in announcing charges in an alleged scheme that involved months of planning and even rehearsals to snatch Whitmer from her vacation home. (Kent County Sheriff via AP)

In a photo provided by the Michigan Office of the Governor, Michigan Gov. Gretchen Whitmer addresses the state during a speech in Lansing, Mich., Thursday, Oct. 8, 2020. The governor delivered remarks addressing Michiganders after the Michigan Attorney General, Michigan State Police, U.S. Department of Justice, and FBI announced state and federal charges against 13 members of two militia groups who were preparing to kidnap and possibly kill the governor. (Michigan Office of the Governor via AP)

In a photo provided by the Michigan Office of the Governor, Michigan Gov. Gretchen Whitmer addresses the state during a speech in Lansing, Mich., Thursday, Oct. 8, 2020. The governor delivered remarks addressing Michiganders after the Michigan Attorney General, Michigan State Police, U.S. Department of Justice, and FBI announced state and federal charges against 13 members of two militia groups who were preparing to kidnap and possibly kill the governor. (Michigan Office of the Governor via AP)

U.S. Magistrate Judge Sally Berens on Tuesday ordered Kaleb Franks, Daniel Harris and Brandon Caserta held without bond until trial, saying their repeated participation in discussions about abducting Michigan's Democratic governor and surveillance of Whitmer's vacation home validated the decision. Berens is scheduled to make bond decisions Friday for Adam Fox and Ty Garbin.

In a photo provided by the Kent County Sheriff, Kaleb Franks is shown in a booking photo. Franks is one of several people charged with plotting to kidnap Michigan Democratic Gov. Gretchen Whitmer, authorities said Thursday, Oct. 8, 2020, in announcing charges in an alleged scheme that involved months of planning and even rehearsals to snatch Whitmer from her vacation home. (Kent County Sheriff via AP)

In a photo provided by the Kent County Sheriff, Kaleb Franks is shown in a booking photo. Franks is one of several people charged with plotting to kidnap Michigan Democratic Gov. Gretchen Whitmer, authorities said Thursday, Oct. 8, 2020, in announcing charges in an alleged scheme that involved months of planning and even rehearsals to snatch Whitmer from her vacation home. (Kent County Sheriff via AP)

A sixth man, Delaware resident Barry Croft, was separately ordered to be transferred to Michigan earlier this week.

The preliminary hearing began Tuesday and featured hours of testimony by a lead FBI agent on the Michigan case, revealing new detail about investigators’ use of confidential informants, undercover agents and encrypted communication to thwart the purported scheme.

Agent Richard Trask also said members of anti-government paramilitary groups from several states discussed abducting Whitmer or Virginia’s Democratic governor, Ralph Northam, during a June meeting in Ohio.

In a photo provided by the Kent County Sheriff, Brandon Caserta is shown in a booking photo. Caserta is one of several people charged with plotting to kidnap Michigan Democratic Gov. Gretchen Whitmer, authorities said Thursday, Oct. 8, 2020, in announcing charges in an alleged scheme that involved months of planning and even rehearsals to snatch Whitmer from her vacation home. (Kent County Sheriff via AP)

In a photo provided by the Kent County Sheriff, Brandon Caserta is shown in a booking photo. Caserta is one of several people charged with plotting to kidnap Michigan Democratic Gov. Gretchen Whitmer, authorities said Thursday, Oct. 8, 2020, in announcing charges in an alleged scheme that involved months of planning and even rehearsals to snatch Whitmer from her vacation home. (Kent County Sheriff via AP)

Fox and Croft were among those who attended that session, according to testimony and federal court documents. But it was not clear if talk of targeting Northam went beyond that meeting, and nothing from the complaint or Trask’s testimony indicated that anyone had been charged with a plot involving Northam.

The men could get up to life in prison if convicted.

Several of their defense attorneys implied during questioning on Tuesday that their clients were “big talkers” who did not intend to follow through with action.

In a photo provided by the Kent County Sheriff, Ty Garbin is shown in a booking photo. Garbin is one of several people charged with plotting to kidnap Michigan Democratic Gov. Gretchen Whitmer, authorities said Thursday, Oct. 8, 2020, in announcing charges in an alleged scheme that involved months of planning and even rehearsals to snatch Whitmer from her vacation home. (Kent County Sheriff via AP)

In a photo provided by the Kent County Sheriff, Ty Garbin is shown in a booking photo. Garbin is one of several people charged with plotting to kidnap Michigan Democratic Gov. Gretchen Whitmer, authorities said Thursday, Oct. 8, 2020, in announcing charges in an alleged scheme that involved months of planning and even rehearsals to snatch Whitmer from her vacation home. (Kent County Sheriff via AP)

Prosecutors, though, said some of the men conducted surveillance of Whitmer's northern Michigan house in August and September and four of the men had planned to meet last week to pay for explosives and exchange tactical gear.

Seven other men purportedly linked to an extremist paramilitary group called the Wolverine Watchmen were charged in state court last week with providing material support for terrorist acts and possession of a firearm while committing a felony. Michigan’s attorney general charged an eighth person — a Wisconsin man — in that case on Thursday.

In a photo provided by the Kent County Sheriff, Daniel Harris is shown in a booking photo. Harris is one of several people charged with plotting to kidnap Michigan Democratic Gov. Gretchen Whitmer, authorities said Thursday, Oct. 8, 2020, in announcing charges in an alleged scheme that involved months of planning and even rehearsals to snatch Whitmer from her vacation home. (Kent County Sheriff via AP)

In a photo provided by the Kent County Sheriff, Daniel Harris is shown in a booking photo. Harris is one of several people charged with plotting to kidnap Michigan Democratic Gov. Gretchen Whitmer, authorities said Thursday, Oct. 8, 2020, in announcing charges in an alleged scheme that involved months of planning and even rehearsals to snatch Whitmer from her vacation home. (Kent County Sheriff via AP)

CORRECTS CHARGES - In a photo provided by the Kent County Sheriff, Adam Dean Fox is shown in a booking photo. Fox is one of several people charged with plotting to kidnap Michigan Democratic Gov. Gretchen Whitmer, authorities said Thursday, Oct. 8, 2020, in announcing charges in an alleged scheme that involved months of planning and even rehearsals to snatch Whitmer from her vacation home. (Kent County Sheriff via AP)

CORRECTS CHARGES - In a photo provided by the Kent County Sheriff, Adam Dean Fox is shown in a booking photo. Fox is one of several people charged with plotting to kidnap Michigan Democratic Gov. Gretchen Whitmer, authorities said Thursday, Oct. 8, 2020, in announcing charges in an alleged scheme that involved months of planning and even rehearsals to snatch Whitmer from her vacation home. (Kent County Sheriff via AP)

In a photo provided by the Michigan Office of the Governor, Michigan Gov. Gretchen Whitmer addresses the state during a speech in Lansing, Mich., Thursday, Oct. 8, 2020. The governor delivered remarks addressing Michiganders after the Michigan Attorney General, Michigan State Police, U.S. Department of Justice, and FBI announced state and federal charges against 13 members of two militia groups who were preparing to kidnap and possibly kill the governor. (Michigan Office of the Governor via AP)

In a photo provided by the Michigan Office of the Governor, Michigan Gov. Gretchen Whitmer addresses the state during a speech in Lansing, Mich., Thursday, Oct. 8, 2020. The governor delivered remarks addressing Michiganders after the Michigan Attorney General, Michigan State Police, U.S. Department of Justice, and FBI announced state and federal charges against 13 members of two militia groups who were preparing to kidnap and possibly kill the governor. (Michigan Office of the Governor via AP)