In the United States, they point out, investigators can track suspicious money transactions through a central data gathering unit.

For years, investigators have been tracking a killer they believed was a man disguised as a woman responsible for possibly dozens of daytime deaths.

He added that investigators had not tracked whether any students had been improperly promoted or held back as a result of the tests.

The investigator had tracked all of them down, and all but one were tested at county clinics.

He was a fugitive for more than a year before investigators tracked him to Fayetteville, North Carolina.

German investigators tracked him to South America and persuaded him to give evidence.

Remnants of the same food the men purchased were found in a Pennsylvania forest, where investigators had eventually tracked the suspects.

Your article mentions that investigators tracked musical prodigies with high I.Q.'s, but only classical musicians were noted.

Other details about how investigators tracked down the man were not available.

The investigators also tracked down the man shot by the stray bullet, Wallace Conners.