The funny thing is even if they did have that they would still be as useless for their claimed function given the sheer haystack of communication and simple opsec and signals making it impossible to decode from the context.
A terrorist saying "Say hello to grandma for me." Could mean cancel/start/delay the attack or it might mean exactly what it says.
A terrorist saying "Say hello to grandma for me." Could mean cancel/start/delay the attack or it might mean exactly what it says.