By Ashlyn Little A bomb threat and extortion attempt disrupted the end of the school day at Leesville High School on Monday, prompting a massive multi-agency response and an ongoing criminal investigation. The incident began at about 3:23 p.m. when the Leesville Police Department received an anonymous call. According to Leesville Police Chief Mike Campbell, a male caller claimed he had placed five bombs around the campus and demanded $50,000 be …