![Specialist investigators from Belgium fly home after police officially abandon search for Theo Hayez | Daily Mail Online Specialist investigators from Belgium fly home after police officially abandon search for Theo Hayez | Daily Mail Online](https://i.dailymail.co.uk/1s/2019/07/04/02/15611826-7211523-Following_the_announcement_the_three_Belgium_investigators_two_F-a-44_1562205486902.jpg)
Specialist investigators from Belgium fly home after police officially abandon search for Theo Hayez | Daily Mail Online
![A Belgian Federal Police drone lands on the airfield in Brasschaat near Antwerp, Belgium, December 23, 2015. The first drone to be used by Belgian federal police can fly at 135 km/h A Belgian Federal Police drone lands on the airfield in Brasschaat near Antwerp, Belgium, December 23, 2015. The first drone to be used by Belgian federal police can fly at 135 km/h](https://c8.alamy.com/comp/2CR4BD9/a-belgian-federal-police-drone-lands-on-the-airfield-in-brasschaat-near-antwerp-belgium-december-23-2015-the-first-drone-to-be-used-by-belgian-federal-police-can-fly-at-135-kmh-and-up-to-2km-high-and-will-be-deployed-to-watch-over-crime-scenes-respond-to-threats-and-look-for-missing-people-according-to-belgian-federal-police-reutersfrancois-lenoir-2CR4BD9.jpg)
A Belgian Federal Police drone lands on the airfield in Brasschaat near Antwerp, Belgium, December 23, 2015. The first drone to be used by Belgian federal police can fly at 135 km/h
![A Belgian Federal Police drone flies over a helicopter at an airfield in Brasschaat near Antwerp, Belgium, December 23, 2015. The first drone to be used by Belgian federal police can fly A Belgian Federal Police drone flies over a helicopter at an airfield in Brasschaat near Antwerp, Belgium, December 23, 2015. The first drone to be used by Belgian federal police can fly](https://c8.alamy.com/comp/2E6KR6H/a-belgian-federal-police-drone-flies-over-a-helicopter-at-an-airfield-in-brasschaat-near-antwerp-belgium-december-23-2015-the-first-drone-to-be-used-by-belgian-federal-police-can-fly-at-135-kmh-up-to-2km-high-and-will-be-deployed-to-watch-over-crime-scenes-respond-to-threats-and-look-for-missing-people-according-to-belgian-federal-police-reutersfrancois-lenoir-2E6KR6H.jpg)