A Rehoboth man charged with murder reportedly drew a map pointing to a five-foot hole that he dug to bury his pregnant 18-year-old ex-girlfriend in after he stabbed her to death with a kitchen

Gregory Groom, of Rehoboth, confessed to police that he stabbed Kylee Monteiro multiple times with a kitchen knife, according to prosecutors.

The allegations were detailed in police reports and by a prosecutor Wednesday in Taunton District Court, where Gregory R. Groom pleaded not guilty to charges of murder and assault and battery on a pregnant victim in connection with the death of Kylee Monteiro.

"Before joining the club, I was shy, felt I did not have a place to go to where I would feel at home, also a lot of kids at school were bullying me before, but when I told them I had joined the club,