Australian TV viewers appear to be fascinated by cops busting crooks and custom officers patting down passengers.

The Seven Network’s The Force – Behind The Line and Border Security – Australia’s Front Line are both cemented in the TV ratings top 10.

The Force – Behind The Line, which was 10th last week, leaped to second spot with 988,000 viewers on OzTAM’s overnight ratings on Wednesday.

Border Security – Australia’s Front Line again held down seventh with an audience of 923,000.

The two shows were among half a dozen programs Seven landed in the overnight top 10.

First place was again won by the Nine Network’s The Block Glasshouse (1.319 million).

MOST WATCHED SHOWS ON WEDNESDAY

1. The Block Glasshouse (Nine) – 1.319 million

2. The Force – Behind The Line (Seven) – 988,000

3. Seven News (Seven) – 984,000

4. Seven News/Today Tonight (Seven) – 949,000

5. Nine News (Nine) – 948,000

6. Nine News 6.30pm (Nine) – 925,000

7. Border Security – Australia’s Front Line (Seven) – 923,000

8. Home And Away (Seven) – 841,000

9. A Current Affair (Nine) – 816,000

10. Criminal Minds (Seven) – 779,000

* Source OzTAM