"There's a reason why Trump fired the ethics watchdog who oversaw corruption and conflicts of interest in the executive branch," said one critic.

Axon Enterprise has ramped up lobbying in Congress on federal law-enforcement technology as ICE pursues a potential $220 million Taser deal.

Trump bought up to $5 million in Axon stock weeks before ICE sought a $220 million Taser contract, raising scrutiny, report says.