LOS ANGELES, April 24 -- R&B singer D4vd, who is facing murder charges over the death and dismemberment of a young teenager whose decomposing body was found in his car, had child porn on his mobile phone, a US prosecutor said Thursday.

The 21-year-old, whose real name is David Burke, faces a possible death penalty over the killing of Celeste Rivas Hernandez, who prosecutors say he murdered and hacked up, dumping her body in bags that he left to rot in his Tesla in the Hollywood Hills.

The youngster, 14, was believed to have been in a sexual relationship with the up-and-coming star.

Detectives say Burke killed her on April 23 last year to protect his burgeoning career when she threatened to expose that relationship.

Her badly decompose...