The former Mexican gangster accused of shanking Derek Chauvin 22 times in a brazen prison attack pleaded for special inmate privileges to help him mount a defense in his attempted murder trial, RadarOnline.com can exclusively reveal. According to recently filed court documents, John Turscak asked for unlimited paper, a writing instrument, the ability to stack reams of legal documents in his prison cell and access to the prison computer for up to six hours a day. The request was made by his court-appointed lawyer Laura Udall who argued Turscak is legally entitled to personally review the eviden…