The body of a missing 17-year-old Wallingford boy was found on Sunday and police are investigating his death a homicide.
Police said there was evidence that there was an attempt to submerge the body.
The Connecticut State Police were called in to assist with the crime scene and they have divers in the lake on Monday, looking for any additional evidence as our detectives continue with the investigation, according to police.
Diaz died of blunt and sharp injuries of the head and neck, according to the Office of the Chief Medical Examiner. He also had ligature marks around his neck.
Diaz had been reported missing on April 25 and was last seen around 8 p.m. on April 23, when he left home alone, according to the Silver Alert.
Police are asking anyone who had contact with Diaz to call Wallingford Police at 203 294-2800.