The fea­tured wit­ness for Tre­blin­ka at the US Holo­caust Memo­ri­al Mu­se­um says some­thing very odd: that the Ger­mans dis­guised the gas cham­bers as a kind of hair sa­lon, com­plete with pro­fes­sion­al bar­bers. As he says: "...make to be­lieve that they're get­ting a nice hair­cut."