New York, July 15.—AP—How a coastguard crew turned their government boat into a rum runner in order to “pick up some Christmas money” was told in court today.

Paul Louis Crim, one of the 16 men indicted with William Y. Dwyer in connection with the inactivities of a $40,000,000 liquor ring, suddenly appeared as a government witness in the trial of Dwyer and nine others.