This bill wants to make the rules stronger against people who hurt or take kids in bad ways, like kidnapping or hurting them, by changing some words and rules in the law to make sure these people get caught and punished properly. It also focuses on making sure that everyone knows these rules apply even if the bad stuff happens across state lines or past events.

S. 1333 is a bill that wants to change the rules about bad things like kidnapping and hurting young kids, making the rules stronger to try and protect them better. It also uses some tricky words and ideas that might make it hard for people to know exactly what's different, but it mostly wants to make sure all the rules fit together nicely.