Hicks snapped after receiving repeated emails from the Spirit of Shankly group questioning the transfer budget handed to Benitez .
Hicks 's father Tom bought Liverpool in 2007 with his business partner George Gillett .
Hicks , whose father Tom bought Liverpool in 2007 with his business partner George Gillett , snapped after receiving repeated emails from the Spirit of Shankly group questioning the transfer budget handed to Benitez .