Supporters of Initiative 594 saw their war chest soar to nearly $9.5 million on Monday morning with the latest infusion of $300,000 from Everytown for Gun Safety, a political committee founded and funded by ex-New York Mayor Michael Bloomberg. Ex-NEw York Mayor Michael Bloomberg: A group he founded, Everytown for Gun Safety, has donated $1.979 million to Initiative 594. Associated Press photo The initiative would require criminal background checks for those purchasing firearms at gun shows and on the Internet, as buyers from gun dealers are required to do already.