The nationwide search for missing Rochester Institute of Technology student Matthew Grant continued Sunday as the Adirondacks remain a focal point of the ongoing investigation. On Friday, the Monroe County Sheriff’s Office said it was following every possible lead in the case as they urged residents across the state and the Adirondacks to report any possible sightings or potential whereabouts of the 22-year-old or his 2014 Jeep Cherokee with Michigan license plate ESR 8141.