NINJAMASTERS

AKFORTYSEVENSuspect key servant of being a mass killer (2,5-5) POTTERSWHEELThrow here? (7,5) HANDKERCHIEFBlow here? (12) NUMBERONEFANA band's most enthusiastic supporter ABSOLUTEZEROLowest possible temperature (8,4) ONEASYSTREETRogue sees attorney rolling in it … (2,4,6) TEETOTALLERSThey don’t drink – tell store, tea (anag) (12) FOURTHOFJULYPatriotic day on which the contest at 14-Across is held: 3 wds. OVERDIDVERDIListened to "Rigoletto" way too many times? JOEYCHESTNUT2026 champion of the contest at 14-Across marking his 18th total victory: 2 wds. REMUNERATIVEProfitable forging Vermeer at uni HOTDOGEATINGNathans ___ Contest (annual event on Coney Island): 3 wds. LOTSAFLOTSAMA whole bunch of ocean detritus? INSTALLATIONArt exhibit popular with everybody, maybe Paddington bears?