WTNH launched the WISH-TV look on Monday evening. No surprises here, though there are hints of blue absent from the WISH look. The opens are identical, save for the standard versus slanted 8's and the retained Helvetica "NEWS" in the logo.
Production libraries have been known to knock off other companies before. I've seen tracks pulled once the original creator complains. That said, the FirstCom track is much older. It's possible the composer on that did a bit of work for Stephen Arnold too.