A friend of Lindsay Lohan's named Adam Case has found himself at the center of ongoing Palm Desert, Calif., police efforts to really stick it to her. Unfortunately for the cops, he's squarely on her side. Hours before Lindsay allegedly battered Betty Ford staffer Dawn Holland, she was hanging out in a hotel with Adam Case, a fellow rehab patient. A HARD CASE: Adam's got Lindsay's back. [Photo: Pacific Coast News] Case had spent a lot of time with LiLo recently, and saw Lindsay's now-infamous altercation with Holland - he's the one who dropped her off late. Palm Desert cops are convinced Lindsay was drinking in the hotel room, that Lohan...