The Kansas Highway Patrol must stop using a tactic known as the “Kansas Two-Step” to detain out-of-state drivers long enough to find a reason to search their vehicles for illegal drugs, a federal judge has ruled. US District Judge Kathryn H. Vratil on Monday …

With the “Two-Step,” troopers finish the initial traffic stop, issuing a ticket or a warning, and start to walk away, then turn back to talk more to the driver. That allows them to keep looking for g…