Silentó, best known for his 2015 hit Watch Me (Whip/Nae Nae), has been arrested and charged with the murder of his cousin, police in the US state of Georgia said.
The 23-year-old, whose real name is Richard Lamar Hawk, was arrested on Monday for the killing of Frederick Rooks, according to the DeKalb County Police Department.
Rooks, 34, was found with multiple gunshot wounds on January 21, police said, and died from his injuries.
Hawk was identified as the suspect and arrested. Police said they were working to determine a motive for the killing.
Hawk is in the DeKalb County Jail, they said.
In September the hip-hop star was charged with assault after allegedly attacking two strangers with a hatchet in Los Angeles.
He was alleged to have walked into a stranger's unlocked home and attacked two people before one of them disarmed him, according to the Los Angeles County District Attorney’s Office.