there's a defy named joshua kauffman, a web and software developer.can see he's also a heavy twitterer. he's out of oakland. last march someone stole his macbook laptop from his apartment in oakland. little did the thief know that joshua had already installed an app on this called hidden that lets him track the location of his macbook, lets him record screen shots, take pictures from the webcam so joshua called oakland police and said, hey, i know where my laptop is, can you go get this. the police said sorry, we're too busy. in the past 24 hours josh started tweeting about his problems and he even started a blog called "this guy has my macbook." on there he started posting pictures of the alleged thief taken by the webcam on his macbook. he's got pictures of the guy asleep on the couch, unbeknownst to him that the webcam is taking his picture. here's a picture of the guy in his own bed without his shirt on and josh has the caption i really don't want to know what this didn't i is doing with my macbook. he has a screen shot of him logging on to his go

. >> reporter: joshua kauffman has his laptop back and some surprisingly intimate closeup pictures of the man police latter -- later arrested. >> i realized that i had the software that i could turn over. >> this is a man caught about i the stolen computer's hidden program. sitting in bed while using the computer. not knowing the computer he was using was using him. >> i was seeing someone looking at my account, deleting my accounts, logging into their g- mail, watching youtube videos. >> sending out his approximate location. he took his evidence to police but got no response. friday he posted a blog and posted pictures. >> literally, in hours i had thousands of tweets. >> this guy has my book. there were 26,000 tweets. 40,000 likes and he gained 5,000 more twitter followers. >> i think people were surprised and amazed that software like this existed. a lot of people don't know that it's out there and available and a lot of people were just entertained by the photos, thought it was funny. or people were just cheering me on. they wanted to some action to happen, they wanted to police t

. >> reporter: joshua kauffman has his laptop back. and some surprisingly intimate close-up pictures of the man police later arrested in connection with the theft. pictures taken secretly by kauffman's computer. >> shortly after it was stolen i realized that i had this software that i could turn on. >> reporter: this is the man caught by the stolen computer's hidden program, photographed while sleeping on a couch, and sitting in bed while using the computer. not knowing that the computer he was using was using him. >> i was seeing someone, you know, looking at my account, deleting my account, logging in to gmail, watching youtube videos. >> reporter: taking pictures, capturing screens, sending out his approximate location. kauffman took his evidence to oakland police but got no response. friday kauffman took matters into his own hands, posted pictures, setting up a blog, and following with tweets. kauffman called his blog, this guy has my macbook, and detailed his efforts to get bliss to help him get it back. this blog got 400,000 page

that's fantastic. >> yes. >> nice work, joshua kauffman. the northern plains. for the missouri river, it's still rising. thousands of south dakota residents are being asked to evacuate their homes by tonight. kelly bartnick of our sow falls affiliate kelo is in pierre, south dakota with the very latest for us. kelly, good morning. >> good morning. south dakota officials have been building levees and shoring up existing ones. they should keep the water at bay. but just in case, authorities here are urging evacuation, in case those levees don't hold. for nearly a week crews in south dakota have been working around the clock building up levees aimed at protecting communities from the missouri river's rising waters. some 2,000 people in 800 homes and businesses in low-lying areas of pierre, the state capital, could be flooded. several hundred more face threat in another boo fort pierre. 200 national guard members and 80 prison inmates helped fill sandbags that were used to help protect windows and basements. >> people out here need our help. we

the owner of the mac book, joshua kauffman was able to track its movement and record shots.fman even blogged about the theft and posted photos of the suspect. >>> today marks one week since nursing student michelle lei disappeared in the east bay. investigators followed up on what they believe was a potential break in the case. "today in the bay's" ma la tellez joins us with the latest. good morning. >> reporter: good morning, laura. a couple things happening today. first off, hayward police are expected to hold a press conference a little bit later this morning to give everybody an update on the search for missing nursing student, 26-year-old michelle lei. but so far, investigators are saying they did not find anything significant when they followed up on what they were calling a potential break in this case. yesterday, s.w.a.t. teams searched the niles canyon area, which is where lei's cell phone last pinged on saturday. now, a ping happens when a phone communicates with a nearby cell tower, so this, of course, means her phone was in that area at some point. but, again, in

this story is about a man named joshua kauffman, a web and software developer out of oakland. in mid-march someone stole his macbook from his apartment. little did the thief know that every time he used the macbook he was being watched by kauffman. kauffman installed an app on his macbook that enabled him to track the location, record screen shots and take pictures using the webcam. so kauffman decided to have a little fun with this and started a blog called "this guy has my macbook." and on it he posted pictures of the thief. like the one with the thief asleep on the couch, unbeknownst that it's recording his nice sleeping habits there. there's another one of him shirtless in bed working on a computer with a caption posted by kauffman, i really don't want to know what this guy is doing with my macbook. there's screen shots of him logging on to his google account and deleting kauffman's settings. there's a shot of the guy driving away with it. all of these images taken apparently without the thief's knowledge. well, kauffman says that he did contact oakland police a month ago,