1.   In both instances the allegations against the candidates lacked hard evidence and relied upon repetition through television advertising.

2.   Police were unable to make an arrest because they lacked evidence.

3.   And law enforcement officials who investigated the accusations said they lacked enough evidence to file charges.

4.   Archaeologists are at a loss to know the origins of dancing in prehistory because they lack direct evidence, nothing comparable to the art of Altamira or Lascaux.

5.   A judge threw out criminal charges in the killing, saying prosecutors lacked evidence.

6.   But authorities say they lack evidence to press charges in either case.

7.   But investigators still lack clear evidence of the cause of the fuel-tank explosion that they say appears to have triggered the disintegration of the plane.

8.   But police released him after concluding that they lacked evidence to connect him to the burned items.

9.   But so far, she said, the police lack the evidence to tie him directly to the fire.

10.   But many economists say it lacks credible evidence.