Denise Robert’s murder investigation in Manchester hits 10

It’s hard to tell a story with so many missing pieces.

In the case of Denise Robert, for 10 years there have been enough tips and turns in her unsolved murder to keep the state from declaring it cold. But investigators have put the brakes on making any potential breaks public.

To keep the case warm, there have been billboards and rewards, but her family and the city of Manchester remain perplexed over how a drive-by shooting without a car, weapon or apparent motive, with no DNA to test or really any physical evidence to follow, is even possible.

The case might not be cold, but how long can it stay this wide open?

What we know:

On Aug. 30, 2015, Robert, 62, a well-known advertising saleswoman from Bedford who worked for the Union Leader , was gunned down in cold blood while on a rout