"america tonight"s michael oku explains why >>> later, she went to help the sickest patients in the hot zone and suffered her own isolation at home. a view of ebola, and how she % >>> hot on "america tonight"s website now - the godmother of a movement. she stood up for rape victims with against our will. her surprising message for a new aljazeera.com slash "america tonight". >>> after ferguson we are aware of the power behind an increasing number of police departments having weapons, armoured vehicles part of the arsenal of some small forces, and officers kitted up, equipped with military grade firepower as if to do battle. the concern and confidence is that the fear changes those meant to protect and serve. the story of a former top cop that told michael oku that he's seen it from both sides. >> reporter: this was not exactly how 70-year-old doug planned to spend his golden years - in and out of sewage pits. as dirty as it is unclogging drains, he'll tell you life, even on the streets of utah can get messier. >> we are at a place that changes your life. i think it's fair to say. yes, m

michael oku reports from los angeles. >> reporter: this is the video that sparked outrage across the. what follows, a fatal confrontation between l.a. police officers and a homeless man living in a tends on skid row. activists are hit the streets wielding once again the slogan that black lives matter. and comparing the incident to other high-profile officer-involved killings in ferguson staten island and cleveland. officers are claiming self-defence arguing that the suspect was reaching for a firearm. between the surveillance and cell phone footage, it's difficult to determine what happened, but many are hoping that body cameras worn by at least two of the officers will tell the story. it's one of the first tests the l.a.p.d.'s body camera programme launched at the end of last year east of l.a. in realtor. officers used body cameras for years, and saw surprising results. scenes like this are not uncommon. what you are about to see happens every day across the country, an officer in tense pursuit of a vehicle. two pictures showing signs that they intend to surrender. the situation cou

"america tonight"s michael oku on the gear that might make a difference >>> and hot on "america tonight"s now - a little girl lost. one year after a homeless child in the nation's capital vanished, no clue what happened to her or why. an indepth report at aljazeera.com/americatonight. >>> in our fast-forward segment the case that ignited ferguson, missouri. months after the death of michael brown, new signing the racial by as in a police department is confirmed by outside investigators. at the height of the progress a former ferguson police officer defended his department to lori jane gliha "america tonight." >> you are hit with everything. anything that is wrong in the metropolitan area, ferguson is hit with it. >> do you think the ferguson corrupt? >> no, in any profession people are racist, buts that's in the heart. i never saw that. a lot of anger directed, i think general. >> what are the misconceptions that people have about the police department. >> that they are not doing anything with the community, and when i worked there, they worked with the different community organizations,

. >> michael oku on why a sheriff from may berry became a one-man police watch dog >>> up next, profiling, what's the risk in all these secrets you've already given away. >> the stream, >> your digital community >> you pick the hot topics and express your thoughts the stream it's your chance to join the conversation only on al jazeera america >>> now to the lure of the internet and the online dangers we're complisit in exposing ourselves too. we also may actually be helping some of the brokers who track and trade information. >>reporter: where you shop, what you buy, how old your children are or whether you might drink too much. you would think that's all private information but you'd be wrong. these personal details are being collected. categorized and bought and sold every day by data brokers. >> their biggest gathering people. >>reporter: he reports on cyber security for his blog and he says when it comes to big data, kingdom. >> they know what i buy, whether houses. >> absolutely. >> so they know in some cases more about me than maybe some of my friends or relatives do. >>reporter: mo

. >> michael oku on why a sheriff from may berry became a one-man police watch dog >>> up next profiling, what's the risk in all these secrets you've already given away. and lakes, it then gets into the food chain... >> that's hitting home >> it ends up on the dinner plate of people... >> techknow only on al jazeera america >> weeknights on al jazeera america. >> join me as we bring you an in-depth look at the most important issues of the day. breaking it down. getting you the facts. it's the only place you'll find... the inside story. >> ray suarez hosts "inside story". weeknights, 11:30 east >>> now to the lure of the internet and the online dangers we're complisit in exposing ourselves too. we also may actually be helping some of the brokers who track and trade online our personal information. >>reporter: where you shop what you buy, how old your children are or whether you might drink too much. you would think that's all private information but you'd be wrong. these personal details are being collected. categorized and bought and sold every day by data brokers. >> their biggest gathe