: Weaver targets people he believes are irresponsible drivers, acting out a vigilante fantasy to "punish" those who make the roads unsafe, mirroring the accident that ruined his own life.
: Revealed to be Mason Weaver , a man suffering from severe emotional trauma and a physical disability (paralysis from the waist down) caused by a car accident. [S4E23] Roadkill
is the 23rd episode of the fourth season of the crime procedural series Criminal Minds , which originally aired on May 6, 2009 . : Weaver targets people he believes are irresponsible