DAWSON COUNTY, Neb. -- Testimony in the Kathleen Jourdan case entered its third day in Dawson County District Court. 

33-year-old Jourdan is accused of killing her husband on I-80. 

She's charged with second-degree murder in the shooting death of her husband on June 17, 2020.

Nebraska State Patrol investigator Michael Dowling was called back to the stand on Monday, speaking about the apology letter he asked Jourdan to write the day of the shooting. 

Dowling revealed they use the letters as a confession. 

Other investigators and family also testified, one friend disclosing he was on the phone with the victim when he was shot.