ian was about to begin when wall stepped in and matter-of-factly stated dci carragher please note my client is here of his own accord , he will answer a limited number of questions and if you have not completed your questioning by 6 p.m. then we will be leaving ian glanced at the two of them repeatedly , before letting out a loud sigh of indignation and firmly stating and can you please note mr wall that i am investigating multiple murders of which your client seems to be inextricably linked in numerous ways .