A south-central Kansas teenager appears to be on the move, and he may be with his brother. Dewey Olivera-Greer, 14, was reported missing on Jan. 30, 2024, in Wichita. Advocates with Kansas Missing and Unsolved said Dewey may be with his brother, Alejandro ‘Alex’ Olivera-Greer, 16, who was last seen the next day.