Lathrop Man Arrested For Hoax Shooting Threat At Las Lomas High

Walnut Creek police have announced an arrest following the threat of a shooting at Las Lomas High School on Feb. 10. Police said they arrested Demoni Costello, 18, of Lathrop on suspicion of making criminal threats and a false emergency report. The arrest follows a series of threats against California schools in recent weeks, but…

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