It has long been known Osama Bin Laden was interested in using cropdusters to disperse biological agents (since the testimony of millennium bomber Ahmed Ressam).
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj:pass	5:nsubj:pass	_
2	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	aux	5:aux	_
3	long	long	ADV	RB	Degree=Pos	5	advmod	5:advmod	_
4	been	be	AUX	VBN	Tense=Past|VerbForm=Part	5	aux:pass	5:aux:pass	_
5	known	know	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	0:root	_
6	Osama	Osama	PROPN	NNP	Number=Sing	10	nsubj	10:nsubj	_
7	Bin	Bin	PROPN	NNP	Number=Sing	6	flat	6:flat	_
8	Laden	Laden	PROPN	NNP	Number=Sing	6	flat	6:flat	_
9	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	10	cop	10:cop	_
10	interested	interested	ADJ	JJ	Degree=Pos	5	ccomp	5:ccomp	_
11	in	in	SCONJ	IN	_	12	mark	12:mark	_
12	using	use	VERB	VBG	VerbForm=Ger	10	advcl	10:advcl:in	_
13	cropdusters	cropduster	NOUN	NNS	Number=Plur	12	obj	12:obj|15:nsubj:xsubj	_
14	to	to	PART	TO	_	15	mark	15:mark	_
15	disperse	disperse	VERB	VB	VerbForm=Inf	12	xcomp	12:xcomp	_
16	biological	biological	ADJ	JJ	Degree=Pos	17	amod	17:amod	_
17	agents	agent	NOUN	NNS	Number=Plur	15	obj	15:obj	_
18	(	(	PUNCT	-LRB-	_	21	punct	21:punct	SpaceAfter=No
19	since	since	ADP	IN	_	21	case	21:case	_
20	the	the	DET	DT	Definite=Def|PronType=Art	21	det	21:det	_
21	testimony	testimony	NOUN	NN	Number=Sing	5	obl	5:obl:since	_
22	of	of	ADP	IN	_	25	case	25:case	_
23	millennium	millennium	NOUN	NN	Number=Sing	24	compound	24:compound	_
24	bomber	bomber	NOUN	NN	Number=Sing	25	compound	25:compound	_
25	Ahmed	Ahmed	PROPN	NNP	Number=Sing	21	nmod	21:nmod:of	_
26	Ressam	Ressam	PROPN	NNP	Number=Sing	25	flat	25:flat	SpaceAfter=No
27	)	)	PUNCT	-RRB-	_	21	punct	21:punct	SpaceAfter=No
28	.	.	PUNCT	.	_	5	punct	5:punct	_
