FRIDAY, AUG. 1
Dennis Murphy updates his report on the eccentric multimillionaire Robert Durst who some say has gotten away with murder three times, while others claim he is just a tragic figure mired in misfortune.
Hoda Kotb reports on the arrest of Dr. Richard Karpf, a Long Island psychiatrist whom a former patient says tried to recruit him for murder although the doctor says he was just being a friend.
SUNDAY, AUG. 3
"Dateline's" cameras take viewers inside the world of America's Customs and Border Protection officers. From the borders to airport security, an unprecedented look at our front line of defense against illegal immigration, drug smuggling and terrorism. Chris Hansen reports.