When a young woman nearly dies from poisoning, investigators focus on the two people she trusted the most. "48 Hours" correspondent Anne-Marie Green reports.
A schoolteacher is murdered in her own home. Years later investigators discover she was a bridesmaid at the killer's wedding. "48 Hours" correspondent Natalie Morales reports.
Republicans in the Senate killed a resolution on Wednesday that would have put limits on President Trump's ability to take action in Venezuela. CBS News congressional correspondent Nikole Killion has more details.