![Experts: 'Pop-up' arrests by plainclothes police may be questionable, but nothing new | Pittsburgh Post-Gazette Experts: 'Pop-up' arrests by plainclothes police may be questionable, but nothing new | Pittsburgh Post-Gazette](https://9b16f79ca967fd0708d1-2713572fef44aa49ec323e813b06d2d9.ssl.cf2.rackcdn.com/1140x_a10-7_cTC/20200816awProtest05-4-1597782639.jpg)
Experts: 'Pop-up' arrests by plainclothes police may be questionable, but nothing new | Pittsburgh Post-Gazette
![Plain clothes police officer cocking gun. Full body length portrait isolated on white studio background. Stock Photo | Adobe Stock Plain clothes police officer cocking gun. Full body length portrait isolated on white studio background. Stock Photo | Adobe Stock](https://as1.ftcdn.net/v2/jpg/01/57/24/76/1000_F_157247638_N3LO6cjYM6DWYRd2LQJzZ5gUlSQUs206.jpg)
Plain clothes police officer cocking gun. Full body length portrait isolated on white studio background. Stock Photo | Adobe Stock
![Aaron Eisenberg on Twitter: Aaron Eisenberg on Twitter:](https://pbs.twimg.com/media/EZO2pHPVcAQIr2Y.jpg)
Aaron Eisenberg on Twitter: "@ZackBornstein A shittier plain clothes cop costume I cannot imagine. https://t.co/hyrz9WrgxT" / Twitter
Despite corrupt unit, Baltimore commissioner says plainclothes units are needed to fight crime. Some disagree. – Baltimore Sun
![NYPD Chief of Transit on Twitter: NYPD Chief of Transit on Twitter:](https://pbs.twimg.com/media/FJJhPkkXwAY3Ore.jpg:large)
NYPD Chief of Transit on Twitter: "In uniform or in plainclothes - our officers are deployed to confront those who'd prey on NYers, just like when our District 20 team swooped in
![27 February 2019, Berlin: Police officers in plain clothes inspect a group of hat players standing..., Stock Photo, Picture And Rights Managed Image. Pic. PAH-190227-99-163157-DPAI | agefotostock 27 February 2019, Berlin: Police officers in plain clothes inspect a group of hat players standing..., Stock Photo, Picture And Rights Managed Image. Pic. PAH-190227-99-163157-DPAI | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/5f2eab475b92d6b03012f160da18a509/pah-190227-99-163157-dpai.jpg)
27 February 2019, Berlin: Police officers in plain clothes inspect a group of hat players standing..., Stock Photo, Picture And Rights Managed Image. Pic. PAH-190227-99-163157-DPAI | agefotostock
![Plain clothed Boston Police Department cops speak to two men in South Boston, Massachusetts, USA Stock Photo - Alamy Plain clothed Boston Police Department cops speak to two men in South Boston, Massachusetts, USA Stock Photo - Alamy](https://c8.alamy.com/comp/EYJ1FF/plain-clothed-boston-police-department-cops-speak-to-two-men-in-south-EYJ1FF.jpg)