I don't know if this is real.
But I hope it is. Evolutionary milestones in our lifetime are cool.
Discussion
They have always been.
They are lazy and if meat is less energy to spend, they will even eat each other.
Also saw a video a year or two ago of a deer catching then eating a rabbit.
https://www.ucdavis.edu/climate/news/carnivorous-feeding-squirrels-documented-california