we'll ask lyle menendez, next. to say that's not really entirely accurate. >> when "dateline" continues. to duckduckgo on all your devie duckduckgo comes with a built n engine like google, but it's pi and doesn't spy on your searchs and duckduckgo lets you browse like chrome, but it blocks cooi and creepy ads that follow youa from google and other companie. and there's no catch, it's fre. we make money from ads, but they don't follow you aroud join the millions of people taking back their privacy by downloading duckduckgo on all your devices today. jokeith morrison: in 2005,e after years of failed appeals, >> in 2005, after years of failed appeals, the menendez brothers'case went to the federal court. it was their last chance. the court denied it. maintaining the state court made reasonable rulings, in light of the facts, and did not violate federal law. lyle menendez was 49 years old, and ithad spent nearly half his life in prison when he agreed to talk to us. >> hello? >> hello? >> so, here we are. >> we spoke wi

. >> erik and lyle menendez -- convicted of murdering their own parents. >> i ran around and shot myl.