Kim Kardashian West has had multiple phone calls with President Donald Trump‘s son-in-law and adviser, Jared Kushner, about a possible pardon for a 62-year-old great-grandmother serving a life sentence for a first-time, nonviolent drug offense.

Kardashian West and Kushner have been in talks for several months and their calls have “picked up in intensity” in the last several days, Mic reports, citing a source with knowledge of the conversations.

A representative for Kardashian West confirmed to PEOPLE that she has been speaking with Kushner about the possibility of President Trump pardoning Johnson.

Mic also says that Johnson’s case has been reviewed by a White House lawyer. The White House did not immediately respond to PEOPLE’s request for comment.

Kardashian West’s crusade comes as her husband, Kanye West, is making headlines for his support for President Trump.

A source told PEOPLE that…