Meth mixed in with 8-year-old’s Halloween candy in Hercules

A courtesy photo of crystal methamphetamine. An 8 year-old in Hercules received meth along with her candy while trick or treating on Halloween. A courtesy photo of crystal methamphetamine. An 8 year-old in Hercules received meth along with her candy while trick or treating on Halloween. Photo: Guiseppe Barranco, Photo Editor Photo: Guiseppe Barranco, Photo Editor Image 1 of / 1 Caption Close Meth mixed in with 8-year-old’s Halloween candy in Hercules 1 / 1 Back to Gallery

A girl in Hercules got more than treats in her bag on Halloween after her parents found a small sack of methamphetamine mixed in among her candy, police said.

The girl’s father called police about 8:30 a.m. Monday after finding the small plastic baggie filled with a white powdery mixture in the 8-year-old’s sugar-heavy haul from Friday night, Sgt. Ezra Tafesse said.

An officer tested the substance, which weighed about a tenth of a gram, and it came back positive for methamphetamine, Tafesse said.

The girl had been trick-or-treating Friday night in north Hercules’ Promenade neighborhood, an area comprised of fewer than 10 streets.

Police, who are investigating, encouraged parents to thoroughly inspect all Halloween candy before turning it over to their children.

Kale Williams is a San Francisco Chronicle staff writer. E-mail: kwilliams@sfchronicle.com Twitter: @sfkale