Lindsey didn't flinch. "I'm not disagreeing with you. I'm tellin' you that the prosecution is gonna try to swing this that way."
Lecter had to realize that there were myriad ways for that search to get back to the prosecution. He didn't expect the City to play fair.
Pheromones?
That was definitely interesting. And while he knew they couldn't prove it anymore--River would not have any traces of such things anywhere in her body-- it was a provable thing. A scientific fact. Lindsey smiled very slowly, as though he'd just completed an especially antagonizing puzzle, or as though Angel had just tripped on the carpet and fallen on his face.
"While it's very inconvenient that she's gone, people saw her. And she was unforgettable. Which'll read as weird. And that's a good thing."
The rest was science, and all he had to do was create a doubt. A doubt that River did this herself. That it was possible to be influenced by another person in this way.
"Do you by any chance have any colleagues that are experts on pheromones?"