TikTok used location tracking to send “railroad themed suicide videos” to a Long Island teen living near a commuter train track before he tragically killed himself by walking in front of a train, court papers claim. The parents of Chase Nasca, 16, of Bayport having been seeking to hold the social-media giant and its parent company ByteDance responsible for their son’s suicide in 2022, arguing its addictive algorithms bombarded him with thousands of suicide-related videos before his death. 3 TikTok allegedly used location data to tailor suicide videos to the fact Chase Nasca, 16, of Long Island lived by a…