An investigation team led by a detective involved in the botched Katie Simpson murder probe was told not to release Natalie McNally’s killer from custody until his false alibi was checked out.
Former Detective Chief Inspector John Caldwell initially had a lead role in the investigation into the brutal murder of the pregnant Co Armagh woman in December 2022.
Stephen McCullagh, Ms McNally’s former partner and father of her unborn baby, was found guilty of the grisly murder by a jury earlier this week.
The 32-year-old was found stabbed to death in her Lurgan home on December 19 2022 after…