He began studying the Chinese language, but as Americans were not permitted to enter China at the time, he could only travel as far as Hong Kong, where he met with refugees and questioned them on Chinese criminal procedure.
他開始學習中文，但是在當時美國人不准進入中國的情況之下，他只好到香港，在那裡訪問從中國大陸逃出來的難民，請教一些有關中國刑事訴訟程序的問題。