A Mayo Clinic doctor accused of poisoning his wife. The latest in a 15 year investigation. And how to stay safe on campus.

In Minnesota, arguments over evidence in the run-up to a poison specialist's murder trial, and, in South Carolina, a reckoning for the longtime girlfriend of a convicted killer. WMBF reporter Ashley Boles was in the courtroom for the suspenseful plea hearing. Plus, tips from Today show senior investigative correspondent Vicky Nguyen on dorm room dangers. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.