Answer: tailing

AnswerCrossword Clue
TAILINGPrivate eye's activity
tailingsomething resembling this
tailingthe part of a projecting stone or brick tailed or inserted in a wall
tailingthe rear part of an animal, esp. that forming an appendage
tailingthe bottom or end part
tailingthe reverse of a coin
tailingthe residue of any product, as in mining; leavings
tailingto follow closely
tailingthe refuse part of mined ore
TAILINGOn the heels of
TAILINGFollowing behind
TAILINGWork for a private eye.
TAILINGPrivate eye business.
TAILINGWork for a gumshoe.
TAILINGFollowing a suspect.
TAILINGFollowing
TAILINGSome detective work
TAILINGNot first
TAILINGClose behind