(Wayne County, IN)--What started as a routine traffic stop on I-70 Monday near Cambridge City turned into the arrest of a man wanted for murder.  Jeffery Walker allegedly went on a shooting spree at a Halloween party in 2020 in a Memphis suburb.  Two people died.  Walker was stopped Monday for speeding in his semi on I-70.  He’s being held at the Wayne County Jail and is awaiting extradition to Mississippi.