"Three four days at least." Sam replied as he followed him, looking around for anything out of the ordinary. He blinked upon seeing a girl cross the alley ahead of them; a teen girl with brown hair. "Dean." He said, nodding his head towards the girl in hopes his brother would see her before she disappeared. 

Not wanting to wait too long, Sam ran down the alleyway towards the girl. "Hey!" He exclaimed, causing the girl to freeze temporarily before quickly running off. "Damnit." He growled before taking off after her.