[quote=@Buddha]
[@Asura] It'd probably be more along the lines of them just hunting him using regular, but strong shinobi. Perhaps some sort of ANBU team. Or perhaps there are already hunter nin. Alternate universe. Feel free to come up with your own answer. 
[/quote]

Hnn. I'm assuming her defection should also occur before she is officially crowned a Genin? So y'know, she isn't strung up for being a spy. Although I suppose suspicions would always remain, even if using a spy with a super rare and noticeable bloodline is silly as sin.