He emphasized that backdoors are not the answer:

„I absolutely don‘t advocate that. Building in backdoors is a threat to everybody, and it‘s not a good idea to weaken security for everybody in order to tackle a minority.“

So what is the solution? This:

„It‘s cooperation to target the people who are using it. So obviously the way around encryption is to get to the end point — a smartphone, or a laptop — that somebody who is abusing encryption is using. That‘s the way to do it.“