He was holding her feet

 

Because the December night outside was freezing, literally--that was what had made her scamper across Telegraph Road's lethal arteries, after all--Luke knelt down at the curb and collected her into his lap. When the Detroit police found him, he was cradling her bare feet between his palms.

The shoes had been knocked from her feet, he explained in quite a level voice, and he couldn't find them anymore. But she'd always hated the cold--she was quite a baby about it, in fact.

 

He took home artifacts

Later