I have taken a couple of the "ghost" tours from other organizations in St. Augustine, and this, by far, was the best and most serious and legitimate. It was led by a guy who actively does paranormal research in the St. Augustine area as well as in other locations throughout the country. He provided me with a thorough history of the sites we visited, and described personal and reported paranormal experiences of these locations, which were likely a result of the turbulent history. I listened to some of the previously-recorded paranormal activity of these sites and viewed brief videos of paranormal encounters on his laptop.
My guide was not a theatrical "performer" catering to tourists and children as is common with several of the other St. Augustine companies and tour guides. Instead, he focused on the history and the recorded paranormal research of the sites while taking me to the areas evidenced to be paranormal hot spots. No histrionics, no costumes, no fake drama, no comedy, no acting. It worked out that I was the only person with the guide, which was a huge bonus.
For those who want a paranormal tour company that doesn't thrive on theatrics and catering to casual tourists, this company is for you. I plan to return to St. Augustine next year specifically to capture images, and will definitely book with Afterlife to show me areas I can further explore. I can't recommend this group highly enough.