Dead-end
The police did not agree with Hayden’s move to offer reward money. In most cases, no one will be foolish enough to step up to offer information in fear of trouble – much more step up and confess! They warned her that this may just be a dead end. Indeed, no one had given them substantial information that would help them find the culprit.
Source: Paperela
The Howard family knew they had to move on from this. Instead of looking for the culprit, they shifted their focus to making sure that Jackson will get a full recovery. They were determined to keep Jackson away from any possible form of harm in the future.