[cnn-photo-caption image= http://i2.cdn.turner.com/cnn/2009/images/07/23/callan.paul.cnn.art.jpg caption="Paul Callan calls the search at Dr. Conrad Murray's office a 'major development.’"] Detectives searched the Houston, Texas, medical office of one of Michael Jackson's doctors on Wednesday for "evidence of the offense of manslaughter," the doctor's lawyer said. The search warrant at Dr. Conrad Murray's office "services part of the ongoing … Continue reading Lawyer: Jackson case now manslaughter probe