Canine Handler NYT Crossword . Although the term "canine handler" might suggest law enforcement officials carrying their K-9 partners, the employment encompasses a wide spectrum of activities in many sectors, from drug detection to even therapeutic work. Reflecting the dignity and worth of this role in society, the New York Times crossword has even included "canine handler" as a solution. yet exactly what does a canine handler do, and what does it take to thrive in this demanding yet rewarding career.