The letter bombs were sent in connection with the treatment of the Egyptian islamists imprisoned for the earlier attack on the WTC and a related plot.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	3:det	_
2	letter	letter	NOUN	NN	Number=Sing	3	compound	3:compound	_
3	bombs	bomb	NOUN	NNS	Number=Plur	5	nsubj:pass	5:nsubj:pass	_
4	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	5	aux:pass	5:aux:pass	_
5	sent	send	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	0:root	_
6	in	in	ADP	IN	_	7	case	7:case	_
7	connection	connection	NOUN	NN	Number=Sing	5	obl	5:obl:in	_
8	with	with	ADP	IN	_	10	case	10:case	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	10:det	_
10	treatment	treatment	NOUN	NN	Number=Sing	7	nmod	7:nmod:with	_
11	of	of	ADP	IN	_	14	case	14:case	_
12	the	the	DET	DT	Definite=Def|PronType=Art	14	det	14:det	_
13	Egyptian	Egyptian	ADJ	JJ	Degree=Pos	14	amod	14:amod	_
14	islamists	Islamist	NOUN	NNS	Number=Plur	10	nmod	10:nmod:of	_
15	imprisoned	imprison	VERB	VBN	Tense=Past|VerbForm=Part	14	acl	14:acl	_
16	for	for	ADP	IN	_	19	case	19:case	_
17	the	the	DET	DT	Definite=Def|PronType=Art	19	det	19:det	_
18	earlier	early	ADJ	JJR	Degree=Cmp	19	amod	19:amod	_
19	attack	attack	NOUN	NN	Number=Sing	15	obl	15:obl:for	_
20	on	on	ADP	IN	_	22	case	22:case	_
21	the	the	DET	DT	Definite=Def|PronType=Art	22	det	22:det	_
22	WTC	WTC	PROPN	NNP	Number=Sing	19	nmod	19:nmod:on	_
23	and	and	CCONJ	CC	_	26	cc	26:cc	_
24	a	a	DET	DT	Definite=Ind|PronType=Art	26	det	26:det	_
25	related	related	ADJ	JJ	Degree=Pos	26	amod	26:amod	_
26	plot	plot	NOUN	NN	Number=Sing	19	conj	15:obl:for|19:conj:and	SpaceAfter=No
27	.	.	PUNCT	.	_	5	punct	5:punct	_
