HONOLULU—A 23-year-old man wanted in connection with the death of a man found encased in concrete in a bathtub in a gated Hawaii community was arrested Wednesday on a Mexico-bound bus, Honolulu police said. U.S. Marshals and Los Angeles police found Juan Tejedor Baron hiding in a crawl space under a bench at the back of a Greyhound bus in Anaheim, California, police said. On Monday, patrol officers were sent to a home in the exclusive east Honolulu neighborhood called Hawaii Loa Ridge to check on the 73-year-old owner, who was reported missing, according to Honolulu police. Detectives spoke with Baron, who claimed to live in the home and was in a relationship with the owner, police said. He allowed police to search the home, but the owner couldn’t be found. Detectives noticed a bathtub filed with a “concrete-type substance,” police said. Detectives saw Baron leave with a 34-year-old man. …