Brooke Astor's Son Sentenced to Prison
Anthony Marshall sentenced to 1 to 3 years for bilking mother out of millions.
Brooke Astor Trial By the Numbers
2 defendants, 7 attorneys, 19 original jurors, 5 months in trial, one verdict.
Exclusive: Astor Family Dishes on High-Society Scandal
Philip Marshall tells "20/20" that Astor's animosity for Charlene was "clear."
Astor Signature on Third Codicil Under Scrutiny in Trial
One handwriting expert says, "no doubt that it's not Brooke Astor's signature."
Watch: Barbara Walters Interviews Brooke Astor
1.7.1993: New York City heiress highlights charity as her life's defining work.
Watch: Full Show: Astor Aura Tinged by Court Drama
Criminal charges against Astor son turn family conflict into public spectacle.
Watch: Brooke Astor and Son: Long Estrangement
When Brooke married wealthy Vincent Astor, son Tony was exiled, biographer says.
Watch: The Battle of the New York Blue Bloods
After grandson files for guardianship of Brooke Astor, family spat hits court.
Watch: After Long Wait, Astor Verdict Lands
"I think Brooke Astor would be horrified," friend Barbara Walters says.
Watch: Astor Family Secrets
Socialite Brooke Astor's son is found guilty of swindling his elderly mother.
Watch: Astor Trial: A Love Story?
Case focuses on Anthony Marshall's alleged motivation to secure funds for wife.
Watch: Astor Trial: The Colorful Back Story
The defendant, his wife, the lawyers, the friends, the matriarch and the money.