Johnson, was sentenced to life in federal prison 20 years ago when she was given a lengthy mandatory prison sentence for a first time, non-violent offence.The single mother was reportedly struggling to provide for her five children, before she fell in with a group involved with drug dealing.
According to the 'Thank You' note, from Alice to Kim, obtained by TMZ, Alice was perplexed when she found out Kardashian had enlisted high-powered lawyer Shawn Holley to help with her case.
In the letter, Alice wrote, "Ms. Kardashian you are literally helping to save my life and restore me to my family. I was drowning and you have thrown me a life jacket and given me hope."
Johnson also believes Kim's mission for clemency will be a defining moment in history, and will show she was a "key figure in meaningful criminal justice reform becoming a reality."
Kim is also working with her lawyers in the effort to free Cyntoia Brown, a Tennessee woman who killed a man who was allegedly using her as a sex slave when she was 16.
Read the letter below..