1965 Press Photo Walter Daniel Hendrickson held in LBJ threatening charges.

The FBI said in Washington today that Walter Daniel Hendrickson, above, who is being held in Potter County, Texas, jail is the same man wanted for allegedly mailing President Johnson threatening letters. Hendrickson, a native of New York, was arrested yesterday in Amarillo on a stolen car charge.

Photo is dated 1965.

Photo measures 8 x 10.25 inches.