Sentinel Synth Infiltrators discovered by Gene-Tek.

Political event

A number of scientific and security staff are discovered to be Synth Infiltrators and are assumed to be from a rival company.

A number of high-profile scientific and security staff are discovered to be Synth Infiltrators by new security protocols and are destroyed.
Fortunately for Sentinel Station, these agents are assumed to have been sent by a rival company and their base on the southern islands remain undiscovered.