Also since they supplied equipment to them it would not have been as difficult to trojan it.
And I will infinitely fault the Obama administration for providing technology which immediately fell into jihadist hands, which any reasonable analyst would have told them would happen.
But it's not accurate to say the US 'supplied' equipment to ISIS. ISIS stole it.
Most heavy things they got from looting Iraqi military.
It's stupid, and if you think it's plausible, you need to honestly evaluate whether your news sources are informing you or peddling a narrative with an objective.