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REINFORCERIt strengthens control over police, right? AYECAPTAINSailor's "Yes, sir!" STUNTWOMANFilm's female daredevil ATANYPRICEPay certain crackpot, no matter the cost LEADINGMANMale movie star EYEWITNESSTrial figure giving a firsthand account WISHYWASHYWith one throw, twice as weak? INITIALIZEAssign a starting value, in computer programming lingo ... or a phonetic hint to 10- and 14-Across? POCKETDIALCall unwittingly GOBSTOPPERA hard sweet for a hard palate maybe? IOWEYOUONE"Thanks so much!" NISSANLEAFElectric vehicle from Japan OUTONALIMBPositioned precariously … or where the ends of 16-, 24-, 35- and 49-Across can all be found BACKGROUNDPrevious history of support crushed (10)