In the span of one week we have seen North Korea test four missiles, evidence of U.S. attempts to sabotage North Korea’s missile program with cyber capabilities, the deployment of the controversial THAAD missile defense system to South Korea, and China proposing that the U.S. give up joint military drills with South Korea in return for North Korea pausing its nuclear and missile programs. The Cipher Brief’s Will Edwards spoke with North Korea expert Jim Walsh to understand how all these events are related and what could happen next.