>> the sermon was march 17th. king flew east to memphis to speak the next day to striking garbage workers. that same day james earl ray filled out this change of address card, and he, too, left los angeles, driving east. the new address he listed was king's home city of atlanta. ahead, for both men, a date with murder. coming up, the fbi. dirty minds and dirty tricks. >> someone was left in the room and was recorded in the act of sexual intercourse, and they assumed it was dr. king. that it's given me time toabout reflect on some of life'seen biggest questions. like, if you could save hundreds on car insurance by making one simple call, why wouldn't you make that call? see, the only thing i can think of is that you can't get any...