lots of drug traffickers went with something homegrown (Anom), which turned out to be an FBI front. they'd have been a lot safer sticking to Signal. and you can

lots of drug traffickers went with something homegrown (Anom), which turned out to be an FBI front. they'd have been a lot safer sticking to Signal. and you can audit the Signal client's source code, which is enough to verify its secrecy.