LOS ANGELES: Khloe Kardashian hired someone to search her Tarzana, Calif. mansion for any drugs her troubled husband, Lamar Odom, might have left behind. “Khloe hired a professional  to do a sweep of the palatial estate after booting Lamar from the premises,” a source told RadarOnline. “She did this because Khloe didn’t want cops to show up with a search warrant and find drugs in the house, because she could be arrested as an accessory, et cetera. “Secondly, in case Lamar were to move back in, she didn’t want him to go looking for the drugs and using again.–Khlo