He intentionally left the bag on the side of the highway to “hide” it.
A man who robbed a Ben Bridge Jewelers store in Austin, TX of 20-30 Rolexes was arrested after the police recovered the watches about a month later, KXAN reports. The man, according to the article, hid the bag of watches on the side of a highway (for reasons unstated in the story) about a mile from the jewelry shop. When he went to retrieve the watches, he found an empty bag and proceeded to get into a domestic altercation with his girlfriend for which he was jailed. The man was later arrested for the theft and charged with aggravated robbery with a deadly weapon.
Read more at KXAN