Philando Castile and the officer who shot him had met before

According to new information, July 6 wasn't the first time Philando Castile and the officer who shot him had met.
It was November 23, 2011.
The officer pulled over Castile in his car for a defective brake light A check of Castile's record revealed a misdemeanor warrant for driving after his license had been revoked, and the officer arrested Castile.
there is not information suggesting that Castile and the officer recognized each other the day he was shot, since castile had been stopped endless times in recent years.