A genetic tweak can make cells self-destruct in the presence of CRISPR and could be used to make cells tamper-proof or shut them down if they go wrong
Source:
https://www.newscientist.com/article/2234134-crispr-safety-switch-can-make-cells-self-destruct-if-they-go-rogue/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home