(Portland, OR)  --  The name of a man who was shot and killed by Portland Police on Monday has been released.  Officers were investigating an armed robbery when they served a search warrant near 111th and Northeast Halsey.  Investigators say 45-year-old Richard Perez fired at SERT officers and they returned fire killing him.  No officers were injured.  Two other people at the scene were arrested.  One was booked on a robbery charge and the other had a parole violation.