In other words, big brother (Border patrol/DEA) use surveillance to fence generic "yellow flags" to little brother (local cops) who pull over drivers. Is this

In other words, big brother (Border patrol/DEA) use surveillance to fence generic "yellow flags" to little brother (local cops) who pull over drivers. Is this just a Texas thing due to border vicinity? I assume Big Brother hasn't published results data, but I'm curious whether the results are performing and catching bad guys. The article's sample appears to show a false positive.