Famous Ex-Con Mentors Lindsay Lohan

7/9/2010 4:20 AM PDT

Lindsay Lohan Mentored by Famous Ex-Con

TMZ has learned Lindsay Lohan has been receiving some pre-jail words of wisdom from "Prison Break" star Lane Garrison -- the same guy who spent over a year in prison for a deadly DUI.

According to sources close to Lindsay, the 30-year-old actor met up with Lohan on Wednesday night and offered the actress advice about life in the big house -- answering all of Lindsay's desperate last-minute questions.

We're told Garrison's jail stories were extremely "informative" -- and Lindsay couldn't get enough.

As we previously reported, Kim Kardashian was also at Lindsay's place to lend her support -- but we're told Garrison's presence was especially comforting because he truly feels Lindsay's pain.

Garrison pled guilty to DUI and vehicular manslaughter in 2007 after he drunkenly crashed his Land Rover into a tree in L.A., killing his 17-year-old passenger.