A police officer stands outside the home in Brooklyn Park, Md. where a man, a woman and two teenagers were found shot to death on Sunday, Aug. 7, 2011. The mother of the man called police after receiving a disturbing test message from her son, and as officers arrived at the home to check on the family Sunday, they heard a single gunshot, authorities said. (AP Photo/Jose Luis Magana)
August 7, 2011 5:46:27 PM PDT
By SARAH BRUMFIELD Associated Press
BROOKLYN PARK, Md. (AP) - August 7, 2011 --
Police have identified family members who have been shot to death near Baltimore in what authorities believe is a murder-suicide.