A 23-year-old convicted felon was charged Thursday with gunning down a 46-year-old man in Santa Ana’s Riverview Park in March.
Jonathan Barreto was charged with murder and possession of a gun by a felon with a sentencing enhancement for fatal shooting of a gun.
Barreto is accused of killing 46-year-old Humberto Espinoza of Santa Ana on March 28 at the park at 1817 W. 21st St…