The body, previously identified as 53-year-old Peter Lestician, was found around 4 p.m. Friday along an ATV trail in Cooper Township, Clearfield County. Two men riding four-wheelers in the area called the police after finding the body in the front seat of a locked vehicle. Responding troopers found no signs of foul play, investigators say, and it’s possible she died by suicide. Lestician’s New Jersey driver’s license was found in the vehicle, authorities say. An autopsy will be performed to determine the cause and manner of death, as well as to confirm identity. Burlington County prosecutors say Lestician was the last known person to see 54-year-old Sheila Maguire alive before she was murdered inside her Florence, New Jersey, home. Sheila Maguire and Peter Lestician Her body was found on Monday, August 29, after family members called the police after being unable to reach her for a few days. The coroner found Maguire died of blunt force trauma to the head. Maguire and Lestician were in a relationship and lived together at the home in the 200 block of Birch Hollow Drive, authorities say. Lestician was a teacher at South Brunswick High School and prosecutors say he had not been in contact with family members since Aug. 26. While he was a person of interest in Maguire’s murder, prosecutors say there was no evidence directly linking him to the crime and no charges had been filed against him. Authorities say the investigation into Maguire’s homicide will continue. Copyright © 2022 WPVI-TV. All rights reserved.