Two separate marijuana-related incidents highlight Chicago police officers’ haste to make drug crime arrests—often at the expense of civil rights.

The two reported incidents, four years apart, demonstrate how officers may hold suspects of drug offenses for hours in an attempt to force them to confess or incriminate others.

In both the 2010 and 2014 reports, Chicago officers from Homan Square arrested two suspects for possession of marijuana, and then proceeded to detain them for hours without record of [...]