A friend of Uber driver Jason Dalton, charged with killing six people, describes him as very quiet and reserved.<br /> A gunman who authorities believe chose victims at random shot people in the parking lots of a western Michigan apartment .<br />A friend of Uber driver Jason Dalton, charged with killing six people, describes him as very quiet and reserved. Suspected Kalamazoo, Michigan shooter Jason .<br />Six people are dead after a gunman went on a shooting spree in Kalamazoo, MI on Saturday night. Police arrested 45-year-old Jason Dalton early on Sunday .
