I think there are only two, maybe three, people left in the world that have not heard about the CRISPR-Cas9 system. It originates from a type of bacterial immune response but has been recruited as a genetic tool and has swept through the genetic engineering community in the last few years. In fact, one of the criticisms of our last NIH grant applications was that we were not using CRISPR's... Here are some links to a few articles of wide interest regarding this technology.
And here is an article published March 18, 2016 in Scientific American: http://www.scientificamerican.com/article/should-we-fear-diy-biologists-use-of-cutting-edge-gene-editing-technology/