Something quick and silly I came up with some time ago!
I think it’s funny how Phoenix never minded his daughter accompanying a dumb young man like Apollo to crime scenes and whatnot. I was discussing this with a friend and they gave me a valid reason: Phoenix always dragged teenaged girls (and an even younger kiddo at times) to crime scenes, too, so maybe he believes every lawyer absolutely needs their teenaged sidekick gal? And since Trucy is his smart, lovely daughter after all, who could be more fitting for the job? Still, good parenting there, Nick!