Grass Valley Police Department Thursday 3:10 a.m. - A caller from the 1000 block of East Main Street reported a male on his property yelling. The caller believed it was his girlfriend’s ex-boyfriend. 8:04 a.m. - A caller from the 800 block of East Main Street reported her purse stolen overnight as she was staying at a homeless shelter. 10:28 a.m. - A caller from the 300 block of Columbia Avenue reported vandalism to his vehicle. 3:15 p.m. - A caller from the South Church lot reported his 1999 GMC Suburban stolen. The vehicle was last seen Wednesday evening. 4:38 …