There is the ongoing mystery about our employer, which is not germane at the present moment in time.

However, Thrasher died soon after the trip, leaving the location of the images an ongoing mystery.

"Nice Is Different Than Good" also introduced the secondary ongoing mystery of the Fairview strangler.

When the colonists disappeared after supplies from England were delayed for three years, the ongoing mystery of "The Lost Colony" began.

His father proved to be an ongoing mystery in the series.

Now, in order to make one last stab at investigating the ongoing mystery, I had endangered the entire operation.

As the comic progressed, however Abrams began adding ongoing mysteries, intrigues and a series of "epic" stories that took Sluggy in a different direction.

Soneji was part of the ongoing mystery.

He realized that fans were cool with the "case of the week", but came back for the ongoing mystery.

His nature, and the nature of his powers, served as an ongoing mystery for most of the novel.