What is "ha'Ratok"?
Rashi: It is a chain. This is a sign that they will go to Galus bound in fetters. Radak - normally, captives are taken in iron chains.
What is "Mishpat Damim"?
Rashi citing Targum Yonasan: It is people who are Chayav Misah. Radak - they are all Chayav Misah for spilling innocent blood and transgressing capital Aveiros. "Mishpat Maves la'Ish ha'Zeh" (Yirmeyah 26:11) is like Mishpat Damim.
Malbim: Murder was common in the land.
Why does it say that the city is full of Chamas?
Radak: This is another reason why they deserve to be exiled from the land. Settlement of the land cannot last with theft.
Malbim: Even though there was no murder in Yerushalayim, it was full of theft. They deserved to be eradicated due to murder and theft.
