Source: The Washington Post - Link
He’s thought about it. He’s hosted political and legal outcasts at the White House to talk about it.
Could President Trump declare martial law, or seize voting machines, or try to otherwise steal the election by force in his last month in office? Any of those would be an extreme escalation of Trump’s already unprecedented strong-arm tactics in his effort to overturn the election results.
Betteridge’s law applies here. The answer is somewhere between “No” and “Not bloody likely”.