TAMPA — The Hillsborough County Sheriff's Office is spearheading a community service program called Operation Medicine Cabinet, aimed at educating and encouraging the community to properly dispose of unwanted prescription medications. The one-day event will be held Thursday, Nov. 20, from 8 a.m. to noon at Palm Garden of Tampa, 3612 E. 138th Ave., Tampa. All medications collected will be taken to a hazardous waste collection site where they will be incinerated.