Even State Department-funded Human Rights Watch admits that authorities combine legal and illegal methods to obtain convictions: https://text.hrw.org/report/2018/01/09/dark-side/secret-origins-evidence-us-criminal-cases
Combining dragnet surveillance with device hacking is intended in the design of both tools. Hence, State Department-funded Signal dupes you into handing over your identity as part of the population-centric mapping. In custody, your phone will be hacked when it is taken away if it’s important.
https://xcancel.com/hannahcrileyy/status/2034273723667161480#m
It’s not a company it’s a nonprofit foundation. And they’ve been audited many times by independent auditors.
Sorry but both points are irrelevant, nonprofit foundations can still be forced to turn over user information. That is part of following the law so nothing that would need to be hidden to auditors, unless you were talking about encryption audits which is completely besides the point