Floyd Jenkins was last seen at his residence in Apache Junction (999 West Broadway Road C-1), on Thursday March 14th, 2019. Floyd made suicidal comments to neighbors prior to leaving the area. Floyd has medical conditions that require routine trreatment and was also recently diagnosed with dementia. Floyd's behavior has changed rapidly over the last few weeks, due to the death of his wife. He was contacted in the Chandler area and most recently contacted by the U.S. Border Patrol crossing back into the U.S. (San Diego), from Mexico. Family is concerned about his welfare. Jenkins was driving a Gray 2001 G.M.C. Sierra pickup, extended cab with fiberglass (gray) truck cap. Michigan license plate # CLG158. Running boards and mud flaps. Jenkins vehicle crossed the USA/Mexico border in San Diego, CA at San Ysidro port of entry around 0200 hours this morning, coming back into the United States. Jenkins was in the above mentioned vehicle along with two additional subjects at that time.