Great Aaron Hernandez Letter to "Jane Doe" dated 1/25/16. Comes in envelope with an unexplained stain (could be blood, could be tomato sauce... ?) with prison notation, "Unknown substance, need new envelope." However, the envelope made its way to Ms. Doe anyway. This one page (front and back letter) is a laundry list of answers to a previous letter including a fascinating line regarding prison life. Hernandez, most likely responding to a request to stay out of trouble, replies, "I'm not going to promise I'll stay out of trouble because in this facility you literally can't make that promise no matter who you are..."