Taken from news theme overview:
Even with the additional space, crowding [in Rykers] would become an issue, as in 2012, the government revealed the Sentinel Project: the main thrust of this project was to unleash large, mutant-hunting robots upon Manhattan, where the worst of the mutant menace made its home. These robots, the government claimed, dealt only with the criminal element, and apprehended only those mutants who were endangering the public; in truth, a great number of mutants were sent to Rykers simply because of their DNA. And at least as many would be killed in the fray.
For two years, the mutants of Manhattan lived in terror. Many tried to flee the city, but Sentinels patrolled the bridges and tunnels off the island. The damage to the city was huge. Sentinels all but destroyed many of the once-vibrant neighbourhoods. Innocent bystanders were often killed in the crossfire.
Pushed to the brink, the Brotherhood struck back in 2014. A handful of Sentinels, once felled in battle, had been rebuilt and reprogrammed by the Brotherhood, and now were also unleashed on the population of Manhattan. Instead of hunting only mutants, the Brotherhood Sentinels were now set to hunt and kill only humans, leaving homo superior alone. These reprogrammed Sentinels were used to break into Rykers, freeing all the criminals both human and mutant alike, and allowing the Brotherhood to take occupation of the island jail. Dangerous criminals were unleashed on Manhattan, putting the city under a siege of a different sort, while mutants still lived in constant fear of the Sentinel menace and anti-mutant gangs.
Sentinel Models information.
