I hope to see/meet hem in my lifetime, just like i one day hope to fly into space (commercial spaceflights). What was one day a dream is becoming reality in all aspects of life.
As for the reports you can freely access the UK DOD, US FBI, CIA and various other intelligence agencies file online now.
One of the most credible (reported on a joint UK/US military base) was the Rendlesham/Bentwaters Incident:
The Halt audio tape: