The Houston Police Department has wrapped up its investigation into a deadly January drug bust and turned a final report over to the Harris County District Attorney's office, authorities said Wednesday. The development moves the case one step closer to possible criminal charges against one or more of the officers involved in the bungled raid, which left a Pecan Park couple dead and blossomed into a broader scandal amid questions about the narcotics team's handling of the bust. The Houston Police Department has completed the criminal investigation and the officer-involved shooting investigation regarding the incident at 7815 Harding Street on...