The islamist had been released from Egyptian prison and had known Zawahiri well for many years.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	2:det	_
2	islamist	Islamist	NOUN	NN	Number=Sing	5	nsubj:pass	5:nsubj:pass|11:nsubj:pass	_
3	had	have	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	5	aux	5:aux	_
4	been	be	AUX	VBN	Tense=Past|VerbForm=Part	5	aux:pass	5:aux:pass	_
5	released	release	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	0:root	_
6	from	from	ADP	IN	_	8	case	8:case	_
7	Egyptian	Egyptian	ADJ	JJ	Degree=Pos	8	amod	8:amod	_
8	prison	prison	NOUN	NN	Number=Sing	5	obl	5:obl:from	_
9	and	and	CCONJ	CC	_	11	cc	11:cc	_
10	had	have	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	11	aux	11:aux	_
11	known	know	VERB	VBN	Tense=Past|VerbForm=Part	5	conj	5:conj:and	_
12	Zawahiri	Zawahiri	PROPN	NNP	Number=Sing	11	obj	11:obj	_
13	well	well	ADV	RB	Degree=Pos	11	advmod	11:advmod	_
14	for	for	ADP	IN	_	16	case	16:case	_
15	many	many	ADJ	JJ	Degree=Pos	16	amod	16:amod	_
16	years	year	NOUN	NNS	Number=Plur	11	obl	11:obl:for	SpaceAfter=No
17	.	.	PUNCT	.	_	5	punct	5:punct	_
