I'd wear a wire, too. The guy can't be trusted. Or more accurately, he can be trusted to lie about anything.

Putin probably has his phone cloned.

The same server where he stashed the Ukraine phone call also has Russia & Saudi Arabia phone calls on there.

White House Classified Computer System Is Used to Hold Transcripts of Sensitive Calls
Current and former officials said the White House used a highly classified computer system accessible to only a select few officials to store transcripts of calls from President Vladimir Putin and the Saudi royal family.

https://www.nytimes.com/2019/09/27/us/politics/nsc-ukraine-call.html

by existing.