Twitter is bouncing around this YouTube Channel by user Classitup10, who claims to be someone named Jared Lee Laughner. Here's the profile:

Name:Jared Lee Loughner
Channel Views:271
Joined:October 25, 2010
Website: [note: The MySpace page is down, but Twitter users screengrabbed it here.]
About Me:

My name is Jared Lee Loughner!
Country:United States
Schools:I attended school: Thornydale elementary,Tortolita Middle School, Mountain View Highschool, Northwest Aztec Middle College, and Pima Community College.
Interests:My favorite interest was reading, and I studied grammar. Conscience dreams were a great study in college!
Movies:(*My idiom: I could coin the moment!*)
Music:Pass me the strings!
Books:I had favorite books: Animal Farm, Brave New World, The Wizard Of OZ, Aesop Fables, The Odyssey, Alice Adventures Into Wonderland, Fahrenheit 451, Peter Pan, To Kill A Mockingbird, We The Living, Phantom Toll Booth, One Flew Over The Cuckoo's Nest, Pulp,Through The Looking Glass, The Communist Manifesto, Siddhartha, The Old Man And The Sea, Gulliver's Travels, Mein Kampf, The Republic, and Meno.

And the three videos appear to be rants about currency, government officials, and mind control. Here's one from three weeks ago , titled "Introduction: Jared Lee Loughner." But the beginning of the video is labeled "Final Thoughts: Jared Lee Loughner."

Another from three weeks ago is titled ""Hello." And a third from a month ago is titled "How to: Mind Controller."

And the YouTube user only favorited one video, which is this one: