41.   Police tracked down Kumar and arrested him on Thursday.

42.   Police tracked the man from the car license plate and arrested him a few hours later at his home, where he was waiting.

43.   Police tracked the pair south through six states, a series of cheap motels, an amusement park and a casino.

44.   A second suspect was detained after midnight when police tracked him down in a neighborhood near the attack.

45.   A year and a half later police tracked down his four captors and discovered the hideout located in the northern city of Mondragon.

46.   Acting on an Interpol request, Brazilian police tracked the three down late last year.

47.   After speaking with a taxi driver who picked the suspect up, police tracked the suspect to Persan.

48.   After about such eight incidents, police tracked down the man, whose name is being withheld.

49.   And the Senate passed a bill requiring every new handgun to undergo a ballistics test so police could later track bullets fired from the weapon.

50.   And they allowed Vichy officials to carry out detailed censuses of the Jewish population and its assets, making it easier for police to track them down for deportation.