The following is compiled from police reports. Descriptions of perpetrators are included only when the description makes identification possible.East ColumbiaGreystone Lane, 8400 block, between 5 p.m. Sept. 20 and 1:30 a.m. Sept. 21. Entry gained to residence by prying open front door. Video game system, video games and shoes stolen.Guilford Road, 9100 block, 4 p.m. Sept. 20. Entry gained to Transformational Security by breaking window. Computer monitor stolen.Oakland Mills Road and Homespun Drive, 10:17 a.m. Sept. 20. Victim was running when man exposed himself to her.Twin Knolls Road, 5500 block, 8:21 a.m. Sept. 20. Man entered Walgreens and filled bag with merchandise. Man confronted by employee. Man assaulted employee and fled. Employee received minor injuries.Stevens Forest Road, 5700 block, between 8:15 a.m. to 3:35 p.m. Sept. 17. Entry gained to residence by breaking bedroom window. Jewelry, cash and tablet computer stolen.Twin Knolls Road, 5500 block, 5:46 p.m. Sept. 17. Man, armed with knife, approached victim as he exited business. Man demanded victim's belongings and he complied. Cellphone and cash stolen.West ColumbiaHesperus Drive, 5400 block, 6:30 p.m. Sept. 15. Juvenile suspect approached juvenile victim while riding bicycle. Suspect stole bicycle and fled.