Performed and made a killing (8)
I believe the answer is:
executed
This could be a double definition.
'performed' is the first definition.
(I've seen this before)
'made a killing' is the second definition.
'executed' can be an answer for 'made' (executing is a kind of making). I'm unsure of the 'a killing' bit.
'and' is the link.
Can you help me to learn more?
(Other definitions for executed that I've seen before include "Put to death as punishment" , "Produced" , "Beheaded" , "Performed" , "Lawfully killed" .)