Sanctions and they know who he is? Given that he wasn't arrested, I'm betting the guy is Russian.
reads article
Yup.
...confirmed to be a Russian national named Dmitry Yuryevich Khoroshev, 31, of Voronezh, Russia, who reportedly earned $100 million as part of the gang's activities.
EDIT: Russia might be okay with someone being on the loose after targeting organizations in those countries, as a result of the Ukraine conflict, but apparently India and Brazil are the other top targets:
https://en.wikipedia.org/wiki/Lockbit
LockBit has targeted various industries globally, however, healthcare and education sectors are the biggest victims. According to Trend Micro, in terms of attack attempts, United States, India and Brazil are the top targeted countries.
Especially in the case of India, I don't know how advisable that is for Russia.