What do we know about Jared Bridegan's murder-charged ex-wife Shanna Gardner? 

Attorney Melissa Nelson's recent update: 3rd arrest in Jared Bridegan case, Feb. 16, 2022 killing. 

Victim: Jared Bridegan, Microsoft exec, 33, St. Augustine. 

Suspect: Ex-wife Shanna Lee Gardner, 36, arrested Aug. 17 in Wash. 

Gardner lived with twin children; Husband and another arrested. 

Gardner's low profile post-death, distant from funeral. 

Global media attention led to high-profile attorney hire. 

Gardner's denial in interviews, claims innocence. 

Case: Ambush killing in Jacksonville Beach, bitter history. 

Ali Landry moved on quickly after her brief marriage to Mario Lopez.