Due to the Judge in the 1983 case ruling that a CIA agent could not testify using a pseudonym, therefore opening him to cross-examination by Wilson, the prosecution had a problem.
1	Due	due	ADP	IN	_	9	mark	9:mark	_
2	to	to	SCONJ	IN	_	1	fixed	1:fixed	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	4:det	_
4	Judge	judge	NOUN	NN	Number=Sing	9	nsubj	9:nsubj	_
5	in	in	ADP	IN	_	8	case	8:case	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	8:det	_
7	1983	1983	NUM	CD	NumForm=Digit|NumType=Card	8	nummod	8:nummod	_
8	case	case	NOUN	NN	Number=Sing	4	nmod	4:nmod:in	_
9	ruling	rule	VERB	VBG	VerbForm=Ger	31	advcl	31:advcl:due_to	_
10	that	that	SCONJ	IN	_	16	mark	16:mark	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	13:det	_
12	CIA	CIA	PROPN	NNP	Number=Sing	13	compound	13:compound	_
13	agent	agent	NOUN	NN	Number=Sing	16	nsubj	16:nsubj|17:nsubj:xsubj	_
14	could	could	AUX	MD	VerbForm=Fin	16	aux	16:aux	_
15	not	not	PART	RB	_	16	advmod	16:advmod	_
16	testify	testify	VERB	VB	VerbForm=Inf	9	ccomp	9:ccomp	_
17	using	use	VERB	VBG	VerbForm=Ger	16	xcomp	16:xcomp	_
18	a	a	DET	DT	Definite=Ind|PronType=Art	19	det	19:det	_
19	pseudonym	pseudonym	NOUN	NN	Number=Sing	17	obj	17:obj	SpaceAfter=No
20	,	,	PUNCT	,	_	9	punct	9:punct	_
21	therefore	therefore	ADV	RB	_	22	advmod	22:advmod	_
22	opening	open	VERB	VBG	VerbForm=Ger	9	advcl	9:advcl	_
23	him	he	PRON	PRP	Case=Acc|Gender=Masc|Number=Sing|Person=3|PronType=Prs	22	obj	22:obj	_
24	to	to	ADP	IN	_	25	case	25:case	_
25	cross-examination	cross-examination	NOUN	NN	Number=Sing	22	obl	22:obl:to	_
26	by	by	ADP	IN	_	27	case	27:case	_
27	Wilson	Wilson	PROPN	NNP	Number=Sing	25	nmod	25:nmod:by	SpaceAfter=No
28	,	,	PUNCT	,	_	31	punct	31:punct	_
29	the	the	DET	DT	Definite=Def|PronType=Art	30	det	30:det	_
30	prosecution	prosecution	NOUN	NN	Number=Sing	31	nsubj	31:nsubj	_
31	had	have	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
32	a	a	DET	DT	Definite=Ind|PronType=Art	33	det	33:det	_
33	problem	problem	NOUN	NN	Number=Sing	31	obj	31:obj	SpaceAfter=No
34	.	.	PUNCT	.	_	31	punct	31:punct	_
