Personal security is a 24/7 job, to some it comes almost instinctively but others can find it very hard to develop.
Meetings should always be treated with caution as they are an easy way to set someone up for kidnapping, assassination, sexual assault or robbery!
These days if you travel internationally or you are going to be working in the emerging markets, you are running the risk of being arrested for some reason.
Think of kidnappers and you will have visions of masked criminals, not of police; false or extrajudicial arrest is kidnapping and happens regularly.
Tailored hostile environment training for those who operate in hostile environments, be it high crime inner city housing projects or third world war zones.
Electronic surveillance is a main intelligence gathering resource for governments, criminals, terrorists and private investigators.