Pine Lawn is a city in St. Louis County, Missouri, United States.

[4] According to the United States Census Bureau, the city has a total area of 0.61 square miles (1.58 km2), all land.

Pine Lawn police issued some 17,000 traffic violations during 2014, in a town with about 2,300 adults, and has about 30,000[11] open warrants.

For the fiscal year ending June 30, 2014, Pine Lawn collected general revenue in the amount of $3,532,167, out of which $2,237,196 derived from fine and fees from its municipal court.

[12] The local prosecutor was criticized for this, because he is a lawyer for the Michael Brown family, and alleges overzealous enforcement by the Ferguson Police Department.

[13] The report of the US Attorney General concerning the Ferguson Police Department prompted protests in Pine Lawn, Missouri as well.

[15] In October 2016, a former Pine Lawn police lieutenant, Steve Blakeney, was sentenced to 51 months in prison after being convicted of trumping up charges to arrest a challenger to then incumbent mayor Sylvester Caldwell.

The officer coerced two store owners to falsely testify that the candidate had stolen a Caldwell campaign poster, then used that testimony [16] In December 2017, the United States Court of Appeals for the Eighth Circuit upheld the conviction.