Drug maker had internal warnings months before outbreak . Barry Cadden is called to testify before a congressional subcommittee . He 's owner and director of the New England Technology Center . ' I respectfully refuse to answer on the basis of my constitutional rights , ' he tells the panel . The subcommittee is investigating what went wrong at his company .
Barry Cadden is called to testify before a congressional subcommittee . He 's owner and director of the New England Technology Center . ' I respectfully refuse to answer on the basis of my constitutional rights , ' he tells the panel . The subcommittee is investigating what went wrong at his company .