He came home shortly before the killing and could not have had time to get involved in it, she said.
The boys were reunited with their father two days before the killing.
And the day before the killing he had been up to her apartment, according to an elevator boy.
To his lawyers, the central issue is what happened to him at the sheriff's office hours before the killing.
His last meeting with a parole officer was an office visit on Wednesday, the day before the killing.
He was off recovering from surgery in the month before the killing.
The investigation got off to a difficult start, with detectives struggling to piece together the different groups from the night before the killing.
But he hadn't been getting that many orders, even before the killing.
Neighbors said they had heard an argument among several men before the killing.
One was during a trip to Ohio two weeks before the killing.