Inspeculating 

When you investigate something you're speculating about. Even though you're currently speculating your also investigating the speculation "hence" the speculation because it's contributing to your investigation

I'm inspeculating my friends boyfriend because he's cheating on her

Inspeculating by Nikkidew March 9, 2020

Inspectulating 

Inspeculating- To search for

Some idiot inspectulating for a ketchup stain on her passenger seat

Inspectulating by Stevenlonghorn23747383 December 9, 2022