The boyfriend of their mother was arrested on weapons charges on Monday over the incident – he is a registered sex offender.
TheSunUK reports police said the little girl, Serenity Allen, was shot
dead when her older brother fired a single round from a gun while they
were inside their apartment.
Cops have ruled the killing as an accident.
On Sunday, her boyfriend Maurice Mobley, 34, was arrested by police after he turned himself in.
He was charged with possession of a firearm by a convicted felon.
Officer Christian Hancock said in a news release that police believe
Mobley was the person who brought the gun into the family’s house.
He is a registered sex offender and has a lengthy criminal record – he
was ordered to be held on $200,000 bond before his court appearance.