Nolan Hanson couldn't shake the feeling of "dread and doom" when his colleague didn't show up to work in March. Keep up with the latest in LGBTQ+ news and politics. Sign up for The Advocate's email newsletter. Winter still gripped New York City when the boxer arrived at Gleason's Gym for one of his shifts, only to realize that another trainer — and a dear friend of his — was nowhere to be found. It wasn't like Talap Mamyrkanov to ditch work without notice, as Hanson says, "he was never si...