Never Drop Your GuardNever Close Your Eyes'¦Or You'll Never See Him ComingDetective Rick Bentz had doubts about the '21' conviction when he worked the case in L.A. Now the real murderer may be loose in Bentz's backyard. Twin sisters from All Saints College have vanished on the eve of their twenty-first birthday. And as Bentz and his partner, Reuben Montoya, desperately follow the trail, a killer prepares to unite his next victims in death forever'¦