hot on the track of (someone or something)
Very closely or aggressively following, pursuing, or tracking someone or something. Police are hot on the track of two armed men who held up a liquor store late last night. Our top detective is hot on the track of the stolen goods, sir. Do not worry, sir—our top detective is hot on the track of your stolen goods.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.