The victim was last seen being helped into a taxi early Saturday after a party in Brooklyn and was reportedly drunk at the time.
Cancel claimed Pravia approached him in Union Square park around 6 a.m. Saturday looking for drugs and the two went to his apartment in the Chelsea neighborhood. After the slaying, Cancel, stayed in the apartment to watch the gory horror film "Saw" before leaving before 11 a.m., police said.
The medical examiner's office said an autopsy was inconclusive and additional tests were being performed to determine what caused Pravia's death. There was no sign of forced entry, police said.
Cancel’s father, Jesus Desoto, said his son knocked on his door early Monday at about 1 a.m.
Desoto, who said he is not on good terms with his son, said Cancel gloated about he had just “killed a man.”
Desoto said Cancel did not talk about how he killed or why, he only said he did it.
Pravia, who was a sophomore at Pace University, originally was from Peru, Mass., near the Connecticut and New York borders.
"My heart goes out to the family," Conro told The Berkshire Eagle, of Pittsfield, Mass. "It's a tough way to lose a son and a brother."