Updated at 9 a.m. Monday: Revised to include details from the affidavit.

A 19-year-old was arrested Sunday night in the death of a girl who was shot in the head at a Far North Dallas party where several people were playing with a handgun.

William Hester (Dallas County Sheriff's Department)

Jakiyah Wrightsil, 16, was found dead on a floor at the Viridian Place apartments in the 4800 block of Haverwood Lane, near the Dallas North Tollway and Bush Turnpike, around 4:30 a.m. Sunday.

According to an arrest-warrant affidavit, someone had put a handgun on the kitchen table, and others were putting the magazine in and out of the gun.

William Gerome Hester, 19, had been pointing the gun at several people, and Wrightsil, who was charging her phone at the kitchen counter, "was telling suspect Hester to jokingly shoot her in the leg," the affidavit says.

Hester then put the gun to Wrightsil's head and pulled the trigger, witnesses said.

Everyone then fled the party, according to the affidavit, but a witness and a neighbor called 911. Responding officers took several people to Dallas police headquarters to be interviewed.

Hester was arrested around 6:30 p.m. the 700 block of Clay Mathis Road in Mesquite. He admitted to a detective that he was holding the gun when it discharged, police said.

Hester was booked into the Dallas County jail and faces a charge of manslaughter. He posted bond Monday.

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