Allow me to suggest that it's highly likely that the tow truck was bugged thus affording them ample time and opportunity to deploy an operative to diffuse and otherwise erase the evidence obtained.
レッカー車が盗聴された可能性が 高いと言わせていただきたい それ故、ヤツ等には充分な時間があって 仕掛をばら撒くチャンスがあった でなければ、得た証拠を消し去ったのさ