Levi Aron, The man charged with the brutal murder and dismemberment of 8 year-old Leiby Kletzky, is undergoing a psychiatric examination Friday night.

The suspect's home at 466 East 2nd street in Kensington, Brooklyn, is still considered a crime scene. Aron lives with his uncle and his father, who owns the 3 story house.

Investigators have dug up a part of the backyard for evidence, searching for any hints in the suspect's history that would explain a motive for Leiby's murder. Police sources tell PIX11 News Aron's family has said the suspect was in a car accident when he was 10 years old which changed his mental capacity. And in court Thursday, his defense attorney hinted that mental illness may have played a role.

Aron was working as a clerk in a hardware store near his home. Fellow employees said he came to work Tuesday, a day after the 8-year-old boy went missing. According to one of those employees, the suspect took part in prayers that Leiby would be found. He even corrected the pronunciation of the missing boy's name when it was mispronounced during that prayer.

Levi Aron, 35, is charged with a first degree murder count which carries life imprisonment without parole. A grand jury is expected to return with its decision Monday.

Results of laboratory tests on the victim's body are also expected to come in next week.