Maybe suicide, maybe not. She had just landed a decent job after a long time without one, and may have been thrown into depression by the thought that her arrest would blow the job.
But the arresting cop 'violated procedure.' She got mad, and landed in jail on an assault charge, and then is found hanged. Cop is 'sentenced' to desk duty.
Once again--cops just need to follow their procedure and show professional courtesy. All trouble avoided! Simples!
Texas: Trooper in traffic stop violated policy