When Angela Craig went on life support on March 15, 2023, in Aurora, Colorado, police assigned a homicide detective to investigate her case — even as she was still alive. Three days later, and only hours after Angela Craig was declared dead, her husband, Dr. James Craig would be arrested and charged with her murder. James Craig has pleaded not guilty.

The story of why police allege James Craig murdered his wife and why police made that arrest so quickly all traces back to a package that police say was delivered to James Craig's dental office just five days before Angela Craig died.

That story of the dentist, his wife's death and that suspicious package is told by "48 Hours" contributor Natalie Morales in an encore of "Who Poisoned Angela Craig?" — airing Saturday, Jan. 4, 202

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