Thats how they were caught.
1-2	Thats	_	_	_	_	_	_	_	_
1	That	that	PRON	DT	Number=Sing|PronType=Dem	3	nsubj	3:nsubj	_
2	s	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	3:cop	_
3	how	how	ADV	WRB	PronType=Rel	0	root	0:root	_
4	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	6	nsubj:pass	6:nsubj:pass	_
5	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	6	aux:pass	6:aux:pass	_
6	caught	catch	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	advcl:relcl	3:advcl:relcl	SpaceAfter=No
7	.	.	PUNCT	.	_	6	punct	6:punct	_
