Search ongoing for 3rd suspect in cop trial witness slaying

DALLAS (AP) — Police in Dallas continue to search for a third suspect in the killing of a witness who testified at the murder trial of a former Dallas police officer.
Investigators say 22-year-old Thaddeous Green remains at large Wednesday following the shooting death last week of Joshua Brown in what police say was a drug sale that went awry.
Dallas police said in a statement late Tuesday that 32-year-old Michael Mitchell was taken into custody in Marksville, Louisiana. The third suspect,