FBI joins search for California yoga enthusiast Nancy Ng as desperate family ... trends now
Nancy Ng, 29, vanished while kayaking on Guatemala's Lake Atitlán during a week long yoga retreat last month.
Her desperate family last heard from her on October 19, the same day the retreat's organizers say she vanished.
The FBI has since joined the search for the yoga practitioner, joining efforts by private search teams paid for by her family.
Video of the last time Ng was seen has now been released by her family, showing the missing woman waving to the camera as she paddles across the lake.
The FBI has joined the search for missing California woman Nancy Ng, 29, who disappeared during a yoga retreat in Guatemala
The yoga practitioner was last seen heading out on a kayaking trip on Lake Atitlán
Guatemalan authorities have since revealed that a woman who was on the kayaking excursion with Ng has come forward to say she drowned while swimming.
The two women 'advanced deeper into the lake' according to the witness, before Ng told the witness, 'she wants to swim and that is when she drowns', ABC News reports.
But questions remain over why it took the witness and the tour company 24 hours to report the incident to prosecutrs.
A privately hired search and rescue team said it has already used drones, helicopters and boats to scour 95 per cent of the lake, but still found no trace of the missing woman.
The terrain combined with a lack of information has been hampering the search, according to Black Wolf Helicopters owner Chris Sharpe who has been leading the