The man shot and killed Sunday by San Francisco police officers after brandishing a pellet gun had several suicide notes on his phone, including one addressed to police officers, authorities said.

“You did nothing wrong. You ended the life of a man who was too much of a coward to do it himself. I provoked you,” began the note. “I threatened your life as well as the lives of those around me. You were completely within your legal rights to do what you did.”

The letter was released Monday after police gained permission from the father of the man, San Francisco Police Department Chief Greg Suhr said in a statement.

The shooting followed a pair of odd encounters with police that began hours earlier at 16th and Mission streets. The man allegedly approached two officers working another incident and asked them about their guns and ammo.

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