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i'm jessica dean in washington, d.c. in today for fredicka whitfield. a major move by the memphis police department. less than 24 hours after the release of the video showing the brutal building of tyre nichols, the s.c.o.r.p.i.o.n. unit will be disbanded. this move coming after nichols' family and protesters around the country demanded the unit be dissolved. cnn's isabelle rosales has more on these developments. what are you learning? >> reporter: the police chief cerelyn davis, in a statement she put out, talking about how it was disbanded, she touted the quality work of this unit....

The protection of forests. it's a new moment for us. >> brazil's president has pledged to reverse the environmental policies of bolsonaro and is trying to reach zero deforestation. it's ambitious what he's trying to do. how realistic do you think it is? >> well if he stands by the promise to remove illegal gold miners we're see something awful news this week with the people who are dying of malnutrition and malaria and other infections, disease that's are v preventible. and with the lack of enforcement on forest protection in the last four years it has gotten out of hand. so with people like t...