The polygraph continues to be used as an investigative tool.

"They have access to investigative tools that we don't have."

The police have used Oyster card data as an investigative tool, and this use is increasing.

The science seeks investigative tools and evidence strong enough to hold up in court.

Look for the money's a tried and true investigative tool, Lieutenant.

Torture, primarily an investigative tool, was used in about a quarter of the cases.

It can be a vital and highly effective investigative tool.

"That includes whatever investigative tools are at our disposal, and then some."

Finally, students will learn about and appreciate computer modeling as an investigative tool.

It's to come up with a resemblance of a person to act as an investigative tool.