billy joe simon of district heights got life plus 20 years for shooting michael neal as he laid in bed next to his fiancee. in a bassinet was thain 1-month-old child. that are 12-year-old daughter was also in the house. the case went cold from a decade until dna from another crime linked simon to the murder. >> we are very satisfied we have removed from our community not only a convicted drug felon, but who is now also a convicted murderer. >> authorities say robbery was the motive. >>> after a cheating scandal rocked the d.c. public school system, a new investigates shows some improvement. the office of the state superintendent looked at the way d.c. public schools and charter schools administered the so-called comprehensive assessment system or c.a.s. tests last year. they evaluate how -- of the 262 schools audited, only three showed critical issues. those issues included things such as wrong answers changed to right once, improper test documentation, and the use of cell phones during testing. >>> the city of st. pete ellers burg florida is saying thank you to a tourist from virginia

he shot 27 years old michael neal, as he laid in beth nest to his fiancee in june of 2001. their 12-year-old daughter was in the house. in the bassinet beside them their 1-month-old son. >> just a great relief after ten years, realizing the man that killed my brother that had two kids, two sons that's now convicted of murder is just a reli relief. >> authorities say robbery was the motive. >>> now to the scandal-plagued d.c. government, many says leaders neat to reassure that ethics is a top priority, but michael brown says ethical clouds are not crippling the city. tom sherwood has our report. >> mayor vincent great for his 20-10 -- kwame brown resigned, pleaded guilty to a felony. former ward 5 member harry thomas began a felony prison sentence this week for stealing $350,000 funds intended for a youth program. but wamu's council member michael brown, recently chosen second in command, downplayed the ethics cloud in a city that financially is doing well. >> our city is going great. we have some ethical clouds? yes. do we have to work on them? absolutely. he defended -- th

neal karlinsky. ♪ i'm bad >> reporter: just in the way michael jackson used to thrill girls of all ages with his movesc. teenage girls today, lose their minds when they listen to this man damage of ali murs. one direction. and usher. ♪ rocking >> reporter: we can now report, it's not her fault. really. it turns out when a teenage girl gets a popular song gets stuck in her head, it really gets stuck in her head. telling her still-developing brain to release dopamines, the transmitter involving pleasure and addiction. >> it's similar to chemicals in our brain when we eat chocolate or have sex. >> reporter: it's the same thing with music. take justin bieber fans, for example. this is your brain. this is your brain on bieber. >> craziest moments, norway. norway was nuts. we had a boat chase. i was on a boat. and we had an escort. and there were hundreds of fan boats chasing behind. it was crazy. >> reporter: while most girls can't tell you why they feel an overwhelming urge to chase a pop star, mri scans show they're brain is the same as a compulsive gambler on a winning streak. even leif garrett in the '

neal karlinsky explains. ♪ i'm bad >> reporter: just in the way michael jackson used to thrill girls awful aof all ages withe their mind when they listen to this montage of one direction. ♪ everyone else >> reporter: and usher. we can now report it's not her fault. really. it turns out when a tween-age girl gets a popular song stuck in her head it really gets stuck in her head. telling her still developing brain to release dopamine, the transmitter involved in pleasure and addiction. >> similar to chemicals released in our brains when we eat chocolate or have any food that we like, or have sex. >> reporter: the doctor says it is the same thing with music. take justin bieber fans for example. this is your brain. this is your brain on bieber. >> top craziest moments. norway. norway was nuts. we had a boat chase the i was on a boat and basically, got an escort. hundreds of fan boats chasing me behind me it was crazy. >> reporter: while most young girls can't tell you why they feel an overwhelming urge to chase a pop star, mri scans show their brains in the same frenzy as a compulsive gambler on a winning strea

neal karlinsky explains. ♪ i'm bad i'm bad >> reporter: just in the way michael jackson used to thrill girls of all ages withlose their minds when they listen to this montage of words. one direction. and usher, we can now report it's not her fault. really. it turns out whenty tweenage girl gets a popular song stuck in her head it really gets tuck in her head telling her still developing brain to release dopamine, the same neu neurotransmitter released in pleasure and addiction. >> similar to the chemicals released in our brains when we eat chocolate or have any food that we like or have sex. >> reporter: dr. daniel letitan says it's the same thing with music. take justin bieber fans, for example, this is your brain. this is your brain on bieber. >> craziest moment was norway. we had a boat chase. i was on a boat and basically we had an escort and there were hundreds of fan boats chasing behind me. it was crazy. >> reporter: while most young girls can't tell you why they feel an overwhelming urge to chase a pop star, mri scans show their brains in the same frenzy as a compulsive gambler on a winning streak. e