A citizen called 9-1-1 after witnessing an intoxicated person at a liquor store in Arlington Heights get into a silver BMW 335i and drive away. The witness stopped following the BMW, but noticed that the BMW pulled into the Walgreens near Arlington Heights Road and Lillian.

Arlington Heights police found the car in the lot and arrested the driver on suspicion of DUI at about 9:15 p.m. Tuesday.