Hate Crimes: MURFREESBORO, TN (NBC) - Agents from the FBI and ATF are asking for help from the public in solving the arson at the future site of the Islamic Center of Murfreesboro, Tennessee. A piece of construction equipment at the site was set on fire Friday night. Others were drenched in what appeared to be possibly gasoline, officials said. The Rutherford County Sheriff's Department is also investigating a complaint about shots being fired near the site Sunday afternoon. It's the second time in six months someone has targeted the site. Last time, signs were broken and spray-painted.