Sleuth's outburst (3)
I believe the answer is:
aha
(Other definitions for aha that I've seen before include "it expresses surprise" , "Bingo" , "I get it!" , "Surprised expression" , "I see!" .)
I believe the answer is:
aha
(Other definitions for aha that I've seen before include "it expresses surprise" , "Bingo" , "I get it!" , "Surprised expression" , "I see!" .)