Based on your comment, is then Nokia, Ericsson, Siemens, ex-Nortel, Huawei, Cisco are all responsible for mass murder? Who in these organisations is responsible? The systems engineer, the project manager or the CEO? Or the developer who wrote the lawful intercept feature?
When making statements of this nature, can you please be a little more specific?
1) Yes
2) Whoever made the decision to implement the feature or worked on it with full knowledge of what it was for