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Want to sell car. Two names. Need some help PLEASE? - example of a buy as it letter for a car

Hey,

I have a car with my name and a friend, but she is now in jail, what we are trying to understand how we sell the car. Also, I never realized, because we bought the car, very little and I have just the file was a letter on my behalf.

(For example, my name, but it looks like.) Tichael James Johnson. instead of Michael Johnson, James.
The information in my address and license number, which must manage the problem?

The car is titled
"The name of a friend"
O 'my name "

Can I sell without his signature in this case?

Thank you very much