Witness accounts from the Oklahoma City bombing point to a second man who was never caught, raising fresh doubts about the official story.

• The mechanic who rented out the bomb truck got the longest look at the renter and remembered a distinctive detail: he was chewing tobacco in two wads, split on each side of his lip.
• Timothy McVeigh, the man executed for the attack, never used tobacco.
• All three workers at the rental shop originally told the FBI they saw two men at the counter, not one.
• The second man was described as shorter and stockier, in a baseball cap and smoking — the same figure witnesses in both Kansas and Oklahoma described as John Doe 2.
• That man was never identified or charged, and the early witness accounts were pushed aside.

Outlook: Expect more pressure to reopen the record and explain why the second-suspect leads were dropped.