Police say 24-year-old Esequiel Padilla-Villalobos called 911 just before midnight and told the operator he just killed someone and wanted to turn himself in.
When police arrived, Padilla-Villalobos told them they could find the body in the 8600 block of Verbena Street in Commerce City.
Police have not released the identity of the teen, pending the notification of the family. Police say Padilla-Villalobos probably knew the victim.
The cause of death has yet to be determined.
Padilla-Vaillalobs was booked into the Adams County Jail. He is facing charges of first-degree murder.
(KUSA-TV © 2012 Multimedia Holdings Corporation)