In this segment:

Kamil Kaloush, School of Sustainable Engineering and the Built Environment

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Season 8 of 'Death in Paradise' brings more quirky island mysteries

On Saturday nights at 8 p.m., Detective Jack Mooney of "Death in Paradise" is really starting to get to know the people and places of Saint Marie – to a degree that surprises some of his colleagues.

'Unforgotten': A cold case tests old friendships

A third season of cold case investigations and emotional roller coasters in "Unforgotten" airs Saturdays at 9 p.m., beginning Sept. 14 on Arizona PBS.

Swedish crime thriller 'Modus' comes to Arizona PBS

Ex-FBI profiler Inger Johanne Vik is drawn into investigating a series of brutal murders in Stockholm after her daughter becomes an unwitting witness to a murder.