What episode does Chicago PD crossover with SVU?

Related questions

1. Why did Hank Voight go to jail?
2. Why did Hank go to jail on Chicago PD?
3. Is Sylvie Brett going to die on Chicago Fire?
4. Is Anne Heche in Chicago PD?
5. Who killed Jin on Chicago PD?
6. Is Chicago PD over for the season?
7. What happened to Lindsay from Chicago PD?
8. How did Nadia die in Chicago PD?
9. Is Voight leaving Chicago PD season 6?
10. What is wrong with Jason Beghe's voice?

Tags

1. #sixteenth
2. #procedural
3. #350th
4. #seventh
5. #episode
6. #victims
7. #police
8. #american
9. #chicago
10. #overall
11. #series
12. #season
13. #drama
14. #running
15. #legal
16. #special
17. #order
18. #crossover