I think it may be drug orders. The icons could be indicative of what they are ordering

Shrimp - a new type of drug available that is stronger than Ecstasty (MDMA). Shrimp's primary component is Methadone. Methadone is essentially perscription heroin; but stronger.

Just a thought. Not everything we find will be about kids, not everything will be sinister in nature, and sometimes we might find something unexpected