41.   When I was convinced he was trying to swindle me, I told him that the call was being traced.

42.   Police traced the call and arrested Ilia Petrov Saturday, said police Lt. Gancho Ganchev.

43.   Police traced the call and caught the men.

44.   Police traced the call to a public phone booth and arrested a suspect.

45.   Police were trying to trace the call.

46.   A proposal to install equipment to trace such calls could not be implemented because it was deemed too costly.

47.   According to government officials and police, Bazra was tracked down after police traced calls being made on his mobile telephone.

48.   As for adult perpetrators, stringent enforcement like tracing calls when there is a clear lead is urgent.

49.   Authorities tracked down the two by tracing the calls.

50.   But it was trying to trace the call and interrogate people in connection with the threat.