Its identity was revealed just a few hours ago.
Cain was released from prison not too long ago, apparently, after it served time among its oppressed homies for stealing a car. This animal's other criminal offenses are likely numerous, but will never be known as this thing spent the majority of its "adult" years behind bars, and all the bad crime it did before the age of 18 is sealed.
Remember two important things :
1) - Cain was no doubt emboldened to kill by the BLM movement;
2) - Cain is exactly the type of individual that the vermin at the NYT constantly advocate for.