That means visiting your plants on weekends and off hours when they're closed and no one should be around. Look for rental vehicles and execs leaving for long lunches. Especially look for HR people working late or with doors closed. Due diligence takes time and they can't cover their butts 100% of the time. SPW appears in a selling mood. Considering the beatings the employees are getting being owned by spw a new ownership might be welcome.
When you've gone through a few sell offs you learn the clues. The MIS dept knows everything first. You can also keep an eye on your MIS guy being pulled into meetings. The clueless employees always know last.