1.   Analyses of the anthrax sample and the chemicals used to coat it could leave telltale clues to the techniques and equipment used to manufacture the germ material.

2.   For most viewers it has become all too easy to spot the telltale clues of a sweep month.

3.   There are no survivors and few telltale clues in the mangled, scattered debris.

4.   No telltale clues.

5.   The white fuzz all over the pink-toe tarantula was a telltale clue.