detectives in the world. if you choose to commit a hate crime we will catch you and hold you accountable. reporter: nypd hate crime task force trying to track down men yelling free palestine kill all the jews at orthodox jews yesterday at the synagogue. they are accused of attacking two jewish teenagers jason with a baseball bat. mayor de blasio met with jewish leaders today. there is a stain of anti- semitism that still lurks in the city and country around the world. it has been here for thousands of years. and every time people say it has gone away, and has not gone away. anti-semitism is alive and well and must be stopped. reporter: in los angeles a man arrested for one of the two hate crimes committed here last week against jewish people one incident involved