▁l itter ▁box , ▁p urr ing , ▁and ▁lying ▁on ▁warm ▁or ▁sun - he ated ▁surfaces . ▁ ▁Some ▁of ▁his ▁own ▁strateg ies ▁have ▁been ▁known ▁to ▁back fire ▁on ▁him , ▁like ▁the ▁August ▁ 2 0 0 7 ▁stri ps ▁where ▁he ▁made ▁the ▁employees ▁wear ▁brain ▁monitoring ▁hel m ets ▁when ▁he ▁sus pected ▁they ▁were ▁thinking ▁about ▁pleasant ▁stuff ▁rather ▁than ▁work . ▁W ally , ▁naturally , ▁was ▁the ▁first ▁whose ▁hel met ▁went ▁off , ▁and ▁when ▁Cat bert ▁went ▁over ▁what ▁he ▁was ▁thinking ▁about ▁he ▁went ▁met ap hor ically ▁" bl ind ", ▁possibly ▁with ▁the ▁same ▁reaction ▁the ▁Point y - ha ired ▁b oss ▁afterwards ▁had : ▁" I ▁was ▁happ ier ▁not ▁knowing ." ▁ ▁His ▁more ▁evil ▁nature ▁is ▁also ▁kept ▁in ▁with ▁the ▁TV ▁series , ▁with ▁a ▁notable ▁example ▁being ▁his ▁for ging ▁a ▁conf ession ▁in ▁D il bert ' s ▁name ▁claim ing ▁D il bert ▁had ▁been ▁responsible ▁for ▁pil fer ing ▁dry ▁er ase ▁markers ▁as ▁well ▁as ▁using ▁his ▁computer ▁for ▁X - r ated ▁sites ▁( as ▁well ▁as ▁completely ▁un related ▁cr imes ▁such ▁as ▁the ▁Lind berg h ▁kid n apping ▁and ▁the ▁shooting ▁of ▁Larry ▁Fly nt ), ▁as ▁well ▁as ▁public ly ▁announ cing ▁D il bert ' s ▁" sign ing " ▁of ▁the ▁conf ession ▁with ▁permission ▁given ▁to ▁the ▁other ▁employees ▁to ▁treat ▁D il bert ▁like ▁a ▁par iah . ▁