Bribery Bill [HL]

My Lords, how does the Minister anticipate that the system he is advocating in the Bill will operate in relation to the security services? Is it feasible that security services’ operations should be considered in detail in a criminal trial? It is like the situation with intercept evidence. How will it work? I know there is a possibility of closing the court in certain situations, but details coming into an open court, whether in private or in public, involves a degree of difficulty at the least.