In 1993 , peter paul biro filed for bankruptcy , and he never paid many of the judgments against him , including what he owed the wises and joyal .
1993年,彼得保罗比罗申请破产,大多数赔款他都没有支付,包括他欠怀斯兄弟和乔亚尔的。
Throughout the trial , the biros and their attorneys maintained that the two paintings sold to the wises were authentic , but to make their case they presented an art expert who was not a specialist on roberts , or even on canadian art .