According to court documents obtained by TMZ.com, Pun's widow, Liza Rios, is suing Joe for over $1 million, claiming he violated a deal he made with Pun before his death in 2000.
Apparently, Fat Joe and Pun agreed to split profits from Pun's songs, however, Liza says she hasn't received her cut since 2005.
Big Pun died of a heart attack in 2000. He was 28-years-old.
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