Projects and Stories: Death on the rails: 13-CD-DC-Train-Gaffney-01

Walter Gaffney holds a picture of his 17-year-old daughter Mary Gaffney on Wednesday, Nov. 28, 2012, along the set of tracks where she was hit and killed by a train in Riverdale Park, Md.. Mary Gaffney and two other people were killed by trains the same day as 14-year-old Cam Vennard, from Kirkwood, was stuck and killed by a train. Photo By David Carson, dcarson@post-dispatch.com

Walter Gaffney holds a picture of his 17-year-old daughter Mary Gaffney on Wednesday, Nov. 28, 2012, along the set of tracks where she was hit and killed by a train in Riverdale Park, Md.. Mary Gaffney and two other people were killed by trains the same day as 14-year-old Cam Vennard, from Kirkwood, was stuck and killed by a train.

Photo By David Carson, dcarson@post-dispatch.com