BPSO partners with Keep Bossier Beautiful to host âOperation Clean Sweepâ Bossier Parish plans cleanup day. (Source: BPSO) By Kaitlyn Gibson | April 1, 2021 at 1:22 PM CDT - Updated April 14 at 4:05 AM BOSSIER PARISH, La. (KSLA) - Bossier Sheriff Julian Whittington and the Bossier Parish Sheriffâs Office are teaming up with Keep Bossier Beautiful to clean up the parish. âOperation Clean Sweepâ will be held on Saturday, April 17 from 8 a.m. until noon. Bossier Sheriffâs Office deputies and staff typically hit the streets each April to pick up trash and clean up our parish as we prepare to welcome thousands of visitors in preparation for the âDefenders of Libertyâ Air Show at Barksdale Air Force Base on May 8 â 9.