janeisha peters was discovered january 1st, 2007, shot in the back and dumped in a garbage bag. a quarter of a century of killing is over. and now police say they can finally put a name to the grim sleeper. randi kaye, cnn, new orleans. >> just some incredibly gruesome details there. casey jordan and margaret prescott, who worked closely with the families allegedly murdered by the grim sleeper suspect. thank you both for joining us. casey, the thing that strikes me and most people, is it normal for serial killers to take such long breaks or intervals between murders? >> it's relatively unusual. what makes a serial killer is not just the fact that they have three or more victims, but that they have a cooling off period between the victims. typically these last a few months, a few years. jeffrey dahmer had a gap, btk