Major US insurance corporations are moving to employ private armies over fears the Los Angeles wildfire payout battles could spark another UnitedHealthcare CEO-style killing . They are employing $100,000 a month ex- police and special forces personnel to guard their top people after the murder of Brian Thompson , Knewz.com can reveal. The industry is bracing itself for ugly fights as fire-hit residents slap in claims for billions of dollars of insurance cash. And there are fears that top bosses