A landslide at a rubbish dump on the edge of the Ethiopian capital Addis Ababa has killed at least 48 people. Dozens of makeshift homes have been buried under the debris.
The group said satellite pictures showed no signs of fire at a rubbish dump near where the students were thought to have been murdered. Alejandro Valencia is involved in the investigation.
Because the technology is low-capital cost, you can put it in at rubbish dumps, at the bottom of big hotels, garbage depots, everywhere, turn that waste into resin.
When you come to think about it, there are only four ways you can deal with rubbish: dump it, burn it, turn it into something you can use again, attempt to produce less of it.