Closely pursuing dodgy exploits at No.1 after release of fake pix (4,2,4)
I believe the answer is:
nose to tail
'closely pursuing dodgy exploits' is the definition.
I know nothing about this answer so I can't tell whether this works.
'no 1 after release of fake pix' is the wordplay.
I cannot quite understand how this works, but
'no' could be 'o' (resembles 0 - 'no' can mean 'zero') and 'o' is found in the answer.
'1' could be 'i' (Roman numeral) and 'i' is found within the answer.
'of' could be 'o' and 'o' is found in the answer.
This explanation may well be incorrect...
'at' acts as a link.
Can you help me to learn more?
(Other definitions for nose to tail that I've seen before include "As cars in a jam" , "(Of traffic) closely following one another" , "crawling along?" , "Like dogs meeting" , "such busy traffic?" .)