Mello tilted his head to the side "There is a problem. You see, I don't trust you" Mello grinned. He didn't, he didn't trust many actually, and Fujiko as definitively someone that he always thought twice about her help.

"Why don't you check the information yourself? I mean, Jyabura is - let's say - stronger than myself. He'd be a good reliability, more than I can ever be." at least towards her. Either she wanted to do this by herself, without her boyfriend knowing of it, or she was actually afraid the pup might get hurt.