Dorothy Denne, longtime Arcadia humorist, "Mother of the Force" honored by Arcadia Police Foundation at the Arcadia Police Foundation's Halloween Hoopla. Arcadia Mayor April Verlato and her husband attended. For 20 years, Dorothy wrote a weekly column called "Dorothy's Place" in Arcadia Weekly. She was a teacher for her career and has been a volunteer at the Arcadia Police Department. In 2015 she spearheaded the effort to bring back the K-9 program.
A federal investigation of a San Gabriel Valley-based Asian crime syndicate led to the arrests of 18 suspected Red Door gang members in several San Gabriel Valley cities, including Arcadia. The effort was dubbed "Operation Paint it Black." Authorities seized seven guns, 12,500 ecstasy pills, 2,230 marijuana plants and a Lamborghini. The 18 were indicted on drug trafficking and international marriage fraud charges.