“The gunman was described by police sources as "Caucasian," of French nationality, and was linked to two previous attempted murders in 2016 and 2021.”
From the Caucasus Mountains?
[...two previous attempted murders...]
If at first you don’t succeed...
RE:...was linked to two previous attempted murders in 2016 and 2021.”
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FBI may have tutored the French. Here we would say “The FBI said it has had more than one previous contact with the suspect and had recently released him again after questioning.”