I've searched the online dictionaries but I didn't find the meaning of
So could you please explain it to me?
The full text:
“I’m an attorney.” So, it is him. “Who do you think committed the murders in this hotel?” He hesitates, and then says, “I don’t know.” She remains silent, waiting for him to continue. “The others—Beverly and Henry and Matthew, especially Henry—seemed convinced last night that it was Ian. They were looking at him as if they thought he was going to murder us all.” He rubs his eyes tiredly before going on. “Perhaps it was relief at finally having someone to blame. They desperately needed to know who it was and they thought they did.” He looks up at her. “In my experience, the human mind doesn’t like to deal with uncertainty.” He tells her, then, what he hadn’t told her before, the way they turned on Ian. “Jesus,” she says, imagining it. “They calmed down. I’ll never forget how relieved Ian looked.” “You may have saved his life.” “I don’t think it would have actually come to that.” He shrugs and looks up at her cynically. “But that’s me, protector and defender of the accused, no matter how heinous the crime.”