A bank robber in Fort Myers, Fla. claiming to have a bomb was taken out by a SWAT team sniper when he held a knife to a hostage’s throat. Lee County Sheriff Carmine Marceno said at a Tuesday press conference that his officers responded with deadly force after an 11 a.m. robbery at the Bank of America in Bell Tower Shops turned violent. “It was a chaotic scene,” Marceno said. “We applied all technology — that’s the robodog, our SWAT team, electronic, surveillance [and] drones.” The Lee County Sheriff’s Office was also assisted by the FBI. According to Marceno, police tried to negotiate with an …