Police praise a new high tech system that allows them to record and track gunfire, but privacy advocates fear it could be abused.

A research team backed by a federal grant has created a genetically engineered mousepox virus designed to evade vaccines, highlighting the deadly potential of biotechnology and bioterrorism. The team at St. Louis University, led by Mark Buller, created the superbug to figure out how to defeat it, a key goal of the government's anti-terrorism plan.

The unprecedented increase in construction of federally funded ?hot labs? designed for research on the world?s deadliest pathogens is raising concerns about safety and security.