n.a spy employed to follow someone and report their movements
同义词：tailshadow
Shadower
THE SHADOWER KNOWS
Only the Shadower knows: Comment on
TILTING VARIABLE SPEED ROTARY SHADOWER
TILTING VARIABLE SPEED ROTARY SHADOWER
SHADOWER: A generalized hidden Markov phylogeny for multiple-sequence
Only the shadower knows: comment on Hamburger and Slowiaczek (1996)
Buffalo Bill's Spy Shadower and the James Boys at Cracker Neck
Notes and Comment Only the Shadower knows: Comment on Hamburger and Slowiaczek (1996)
Ruth Redmond, the Girl Shadower, or, The rivals of buckskin : (A sequel to "Buck Taylor, the Comanche captive")
