Projects and Stories: St. Louis, guns, shootings and crimes: G-130913-DC-Centreville-Shootings2

Fourth grader James McClain, 9, watches as Illinois State Police troopers Grant Hentze (center) and James Randolph gather evidence from a long blood trail that stretched through the Ernest Smith housing complex in Centreville after three people were shot early Friday, Sept. 13, 2013.  McClain has his arms tucked in his shirt to keep warm in the chill of the morning air.Photo By David Carson, dcarson@post-dispatch.com

Fourth grader James McClain, 9, watches as Illinois State Police troopers Grant Hentze (center) and James Randolph gather evidence from a long blood trail that stretched through the Ernest Smith housing complex in Centreville after three people were shot early Friday, Sept. 13, 2013. McClain has his arms tucked in his shirt to keep warm in the chill of the morning air.

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