From TMZ
The marriage of Khloe Kardashian and Lamar Odom is in crisis, TMZ has learned ... the core reason is hardcore drug abuse. Multiple sources acquainted with the problem tell TMZ ... Lamar has already established a problem for 2 years. It got so bad, last August Khloe pressured Lamar to go to rehab. Lamar went along to a facility in San Diego, but he was so resistant Khloe hired private investigators to secretly stand guard at the rehab place to make sure he didn't leave.Continue After The Break.