Trying to avert a panic, and keep the matter of the poisonings under control, Tatlock puts his best people on the job, and not Larry. Larry and Amy are called in on one of the poisonings, but Tatlock forbids them from working on such an important case.
To calm the situation and keep the poisonings under wraps, Tatlock tasks his most skilled team members with the investigation, excluding Larry. However, Larry and Amy are still involved in one of the cases, although Tatlock bars them from handling the main case.