(CNN) Detectives on Saturday arrested the 12-year-old brother of Leila Fowler on a homicide charge in connection with his 8-year-old sister's death, Calaveras County, California, Sheriff Gary Kuntz said.
The brother -- who Kuntz did not name, but did speak publicly after his sister's death -- was arrested at 5:10 p.m. (8:10 p.m. ET) at a county sheriff's office substation in his hometown of Valley Springs, according to the sheriff.
"Citizens of Calaveras County can sleep a little better tonight," Kuntz said.
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