In the case of the anthrax used in the mailings, there was an electrostatic charge.
1	In	in	ADP	IN	_	3	case	3:case	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	3:det	_
3	case	case	NOUN	NN	Number=Sing	13	obl	13:obl:in	_
4	of	of	ADP	IN	_	6	case	6:case	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	6:det	_
6	anthrax	anthrax	NOUN	NN	Number=Sing	3	nmod	3:nmod:of	_
7	used	use	VERB	VBN	Tense=Past|VerbForm=Part	6	acl	6:acl	_
8	in	in	ADP	IN	_	10	case	10:case	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	10:det	_
10	mailings	mailing	NOUN	NNS	Number=Plur	7	obl	7:obl:in	SpaceAfter=No
11	,	,	PUNCT	,	_	13	punct	13:punct	_
12	there	there	PRON	EX	_	13	expl	13:expl	_
13	was	be	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
14	an	a	DET	DT	Definite=Ind|PronType=Art	16	det	16:det	_
15	electrostatic	electrostatic	ADJ	JJ	Degree=Pos	16	amod	16:amod	_
16	charge	charge	NOUN	NN	Number=Sing	13	nsubj	13:nsubj	SpaceAfter=No
17	.	.	PUNCT	.	_	13	punct	13:punct	_
