State police have released details surrounding a July 24 shooting in Avon.

Franklin County dispatchers received a call from a man saying his mother was shot as he was trying to pick up his children from his ex-wife’s family on Jobie Road, according to State Police Maj. Aaron M. Turcotte.

The man drove off and met first responders on Avon Valley Road.

Franklin County deputies found a 53-year-old woman suffering from a gunshot wound. She was flown to Maine Medical Center in Portland.

A preliminary investigation showed the woman was shot during an altercation over child custody, according to Turcotte.

“The shooter was identified by investigators and is cooperating with law enforcement,” Turcotte said.

Police have not publicly identified the shooter.

There is no threat to the public, according to Turcotte.