Jurisdiction
If you place control on someone you're giving them jurisdiction over whatever that thing is.
しょかつ
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
とにかく、まずは所轄の警察署に連絡をいれましょう。
Anyway, let’s get in contact with the police station with jurisdiction first.