[humblegunner]

ended up coming across four backpacks filled with bulk cash and a little more than a kilo of cocaine

Probably more to the story than this.

The cholos didn't just set the goods down and go get a burger.

[BuckeyeTexan]

Sounds like a distraction drop - bags intentionally placed to focus BP’s attention on a specific area, perhaps during a specific time, so the runners can make it through somewhere else with a big shipment.