“Alaskan Bush People” alum Matt Brown’s brother Gabe was seen talking to police on Thursday as the search for the reality TV star continues. Sources said Gabe — who is one of the few family members not estranged from Matt — was speaking with authorities at the Washington river location where an unidentified man is said to have gone missing, reports TMZ . The insiders told the outlet that Gabe chatted with officers as part of their ongoing search. “Alaskan Bush People” alum Matt Brown’s brother Gabe (seen above posing on the right of Matt) was seen talking to police as the investigation into his disappearance continues. Instagram/gabrielstarbuckbrown11 Sources told TMZ that Gabe (pictured above in a selfie) spoke with officers as part of its ongoing investigation on Thursday. Instagram/gabrielstarbuckbrown11 Page Six has reached out to the Okanogan County Sheriff’s Office in Washington for comment.…