Police asked twin: 'Did you kill your brother?'

For four hours, detectives turned to the one person closest to Wasel Ali, who could help them unravel why the 19-year-old had disappeared on Aug. 22, 2007, and why his body was found in a wooded area in Clary's Forest five days later.

By David Greisman, dgreisman@tribune.com

March 22, 2012