Residents in the German town of Winnenden are still trying to come to terms with the deaths of 16 people after a teenage gunman went on a shooting spree.Police are continuing to construct a picture of the killer, 17-year-old Tim Kretschmer. Its emerged that an internet posting believed to have been made by Kretschmer in which advance warning of the bloodbath to come was a hoax. However, certain revelations about the teenager strike a chilling chord. Described as reclusive with a love of violent computer games the boy had undergone psychiatric treatment for depression in a nearby clinic. The clinic where he shot a gardener his thirteenth victim. The authorities are now investigating the teenager’s father, it was his legally-owned baretta that Kretchmer’s used for the killings. Police are still trying to establish if the weapon was kept in keeping with Germany’s strict gun laws. Investigators looking for some kind of motive say that he was the classic case of a young man in conflict who wreaked havoc and pain in real life after enjoying imaginary violence in the privacy of the virtual world.