VISTA — Authorities arrested two men in separate incidents on July 4 in Vista for alleged illegal fireworks activity, one of whom was also found with a loaded firearm, according to the San Diego County Sheriff’s Office.
The first arrest followed an undercover operation coordinated by the Sheriff’s Bomb Arson Unit and Vista area detectives after investigators received a tip on July 3 about someone selling illegal fireworks in the area.
Around 2:30 p.m. on Thursday, deputies conducted a traffic stop of Isaac Mandujano, 23, near the 2100 block of University Drive, after he had allegedly arranged to sell fireworks to undercover detectives, officials said…