Matthew 8:31,32
So the devils sought him, saying, If you cast us out, suffer us to go away into the herd of swine.
Nave's Topical Index—AKJV

Mark 5:13
And immediately Jesus gave them leave. And the unclean spirits went out, and entered into the swine: and the herd ran violently down a steep place into the sea, (they were about two thousand;) and were choked in the sea.
Nave's Topical Index—AKJV

Luke 8:33
Then went the devils out of the man, and entered into the swine: and the herd ran violently down a steep place into the lake, and were choked.
Nave's Topical Index—AKJV