Stupid media. Chechnyans are not Russian
Probably more like the French actually arrested THEIR Tsarnaev brothers when the Russians tipped them off. Unlike our “leaders”.
Chechnya is one of the 21 republics within Russia.
https://www.cia.gov/library/publications/the-world-factbook/geos/rs.html
or if you want a Russian source: https://ru.wikipedia.org/wiki/%D0%A7%D0%B5%D1%87%D0%BD%D1%8F
Their passports say they are.