Published: May 08, 2014 4:56 PM EDT
Updated: May 08, 2014 6:30 PM EDT

COLLIER COUNTY, Fla.- Deborah Moulton, 59, has been arrested on a charge of principal in the first degree in connection with the death of Sergey Chepchugov.

Detectives said their investigation determined that although Robert Moulton shot Chepchugov, Deborah Moulton played an active role in the events leading to the shooting.

Deputies with the Lee County Sheriff’s Office served the Collier County arrest warrant on Deborah Moulton late Thursday afternoon in Lee County. She has been booked into the Lee County jail.

The shooting lead to a stand-off that lasted for hours. Deborah was arrested for obstruction of justice Monday evening, and later bonded out.