Crossword Puzzle Stealthy thief

Clue: Stealthy thief

Yiddish thief (GANEF with 5 letters)
Gas thief's aid (SIPHON with 6 letters)
"Mottke the Thief" novelist, 1935 (ASCH with 4 letters)
Identity thief, e.g. (IMPOSTOR with 8 letters)
"The Thief of Bagdad" star (SABU with 4 letters)
To catch a thief (NAB with 3 letters)
Thief's sine qua non (STEALTH with 7 letters)
Gear for a horse thief (NOOSE with 5 letters)
Clue that helped convict a movie snack thief? (THEPRINTSONTHEPOPPER with 20 letters)
Jewel thief's loot (ICE with 3 letters)