<p>A public memorial was held yesterday in Yuma, Ariz., for U.S. Border Patrol Agent James P. Epling, who died last week after rescuing an illegal Chinese national from the Colorado River and then attempting to capture other fleeing aliens.</p>
<p>Mr. Epling's body was found by Border Patrol divers, who said the agent apparently had stumbled into a 27-foot hole in the river while chasing the other aliens and drowned in the swift moving water. He disappeared Dec. 16 and was located three days later.</p>