When McMillan and Erickson go to the hideout to meet with Elana they aren't carrying anything with them. But in the hotel room McMillan shows her his plans for the wagon with the one-way window, with no explanation for how they got there.
As Mac drives through an intersection by the freeway, the film crew can be seen reflected on the body of the car.
When Sykes is telling McMillan about the contents of the pills, he gives a total amount that is over 31 grams which is a little over one ounce. Not only would that be much bigger than the pills they found but they would be much too large for any person to swallow.