He refused to believe it until he was permitted to see proof in the form of Shi's body. Not long after, he attempted suicide while in prison but was unsuccessful. In 1986, after a two-day trial, Boursicot and Shi were convicted of spying against the French government.
He remained unconvinced until he was able to see proof of Shi's death.  Later, he tried to take his own life while in prison but failed. In 1986, after a two-day trial, Boursicot and Shi were convicted of spying for the French government.