NEW: In 5-0 vote, nonpartisan Office of Congressional Conduct found "substantial reason to believe that [Rep. Lance Gooden, R. Tx.] improperly sought travel-related reimbursement for non-official travel purposes." Bipartisan House Ethics Committee has formed subcommittee to continue the investigation. https://ethics.house.gov/press-releases/statement-of-the-chairman-and-ranking-member-of-the-committee-on-ethics-regarding-representative-lance-gooden-2/