Not to be trusted - "D.C. Unjustly Imprisons Hundreds."

D.C. Unjustly Imprisons Hundreds - Hit & Run : Reason Magazine:

"...here's a little example of what happens when law enforcement machinery is calibrated against you:

Nearly 400 people were convicted of driving while intoxicated in the District since fall 2008 based on inaccurate results from breath test machines, and half of them went to jail, city officials said Wednesday.

D.C. Attorney General Peter Nickles said the machines were improperly adjusted by city police. The jailed defendants generally served at least five days, he said..."