Motive - Season 4 Episode 3 -

The victim: Chris Mancuso, an environmental consultant. The killer: Logan Tenwick, a research scientist for Turner, a biomedical firm for which Chris had been hired to do an environmental assessment for the location of its new research facility. Logan has been working on what he considers the definitive and groundbreaking work on eradicating breast cancer. It is through Chris' consulting work for Turner that he met who would become his girlfriend, Kierra Graff, Logan's assistant. Chris' dead body is found first thing in the morning inside a sensory deprivation tank at...