Rosh Hashanah begins at sundown Monday, ushering in the High Holy Days, with the Los Angeles Police Department and Los Angeles County Sheriff's Department pledging their customary increased patrols around Jewish institutions. The LAPD says it is doing four specific things to protect those in Los Angeles who are observing the High Holy Days. Officers are being educated on the dates of the jewish High Holy Days and the customs, traditions, and forms of worship. “We are working hand in hand with Mayor (Karen) Bass, Jewish community leaders, and our public safety partners to maintain heightened awareness and preparedness. Jews are biblically commanded to hear the shofar during the High Holy Days.