Brian Christopher Petroff, 36, was found dead inside his vehicle in Lebanon, Tennessee, on the morning of Saturday, February 7, 2015. Investigators treated the scene as a homicide and opened a criminal investigation into the circumstances of his death.

Law enforcement soon identified a person of interest and arrested Sean D. Fox. Prosecutors filed charges, and the case proceeded through the courts. Fox was convicted and later sentenced in connection with Petroff’s death, concluding the criminal proceedings.

What can readers who knew Brian or who were in the Lebanon area in early February 2015 add about his last known movements or contacts?