TACOMA — A Pierce County jury on Thursday found Darcus Allen guilty of first-degree murder for acting as the getaway driver for Maurice Clemmons, who gunned down four Lakewood police officers in November 2009. Allen, 40, a former Arkansas prisonmate of Clemmons, was convicted of four counts of premeditated first-degree murder, charges that required prosecutors to show that he was in on Clemmons' plan. Allen had denied knowing that Clemmons planned to ambush police. Jurors had deliberated for about a week before returning the verdict. Pierce County Prosecutor Mark Lindquist said he would seek four life sentences for Allen. He...