Amarillo police make 18 arrests, issue multiple violations during DWI and underage drinking enforcement operation Amarillo police arrested 18 people over the weekend as part of a DWI and underage drinking enforcement operation. (Source: Gray News) By Kaitlin Johnson | April 27, 2021 at 12:36 PM CDT - Updated April 27 at 12:38 PM AMARILLO, Texas (KFDA) - Amarillo police arrested 18 people over the weekend as part of a DWI and underage drinking enforcement operation. On Friday, April 23 and Saturday, April 24, officers from the Amarillo Police Department Juvenile Investigation Squad, Patrol Unit, Motorcycle Unit along with the Texas Department of Public Safety State Troopers, worked on a campaign to target DWI incidents and underage drinking.