. >> reporter: kevin wong says runners who paid by credit card in california are in luck. california civil code allows for certain credit card disputes for up to a year but there are special circumstances. >> it has to be for a merchant in your home state. also you can only claim against what you haven't paid off in your credit card bill already. >> reporter: you also must dispute the charge in writing with both the company and your bank. if all else fails you can also take the company to small claims court. a step castro is hoping she won't have to take. >> superhero events declined an interview but says it is issuing refunds, though some are taking longer to process than others. it has expedited refunds for consumers who contacted us. lindsey received hers just before christmas. if you're still waiting for a refund, give us a call. >>> scott pelley is in new york. >> great to be with you in the bay area. that was a serious slide in the stock market today. we'll have a look at what's coming next in the economy. plus we're going to introduce you to the police officer who h

using dangerously vulnerable sole vents >>> kevin wong is a federal intelligent analyst for four states in the rocky mountain area, and tracks the growth of home t.h.c. labs. >> oftentimes there's children in the home. and they can be injured and died. they want the person conducting the lab experiment. they are holding a pir ex dish that has gas expelling on to their clothing and person. once the source ignites the fumes, they go up in flames. they are an apartment. the impact of the explosion can endanger their neighbours. >> this is a recent one. according to wong, a number of explosions doubled in the last year to 32 since retail went into effect. documenting. skip. >> completely singed off. here is the inside of the palm. that is his skin peeling away. >> while a few cities like denver enacted ordanances against home t hc, in many places it's legal. >> we basically put marijuana - i grind it up a little bit. >> you might call robert lucky. he said he survived a butane hash oil explosion in 2001. >> we'll use butane. despite suffering burns on the arms and face, he was back to extra

including to kevin wong the number of explosions has more than doubled in the last year to 32 since retail legalization went into effect. >> that's his legs. >> so far the numbers are small but the casualties may increase as the business grows and state authorities scramble to keep up. >> and tonight we're going to take a deeper look into the dark side of marijuana. we're going to take you into a burn unit and let you know how the state is reacting to all of these issues. >> lori, appreciate it. good to see you. >>> dangerously low temperatures across the country have forced school closures and safety concerns. kevin has the details next. >> it's a chilling and draconian sentence... it simply cannot stand. >> this trial was a sham... >> they are truth seekers... >> all they really wanna do is find out what's happening, so they can tell people... >> governments around the world all united to condemn this... >> as you can see, it's still a very much volatile situation... >> the government is prepared to carry out mass array... >> if you want free press in the new democracy let the journalist

. >> kevin wong tracks the impact of legalizing marijuana for the federal government, in four states in the rocky mountain area. trends. >> how prepared would you say colorado was to enact the law? >> we are not prepared. we don't want other states to fall in the same footsteps we have gone through. >> reporter: wong says there's not much data but already the marijuana-related emergency visits is going up and under age kids are getting their hands on the drug. 89% of schools experienced an increase in incidents like possession and intoxication. the data is difficult to parse. a recent study found pot use among teenagers seems to be declining. do you think colorado was prepared to move forward with happened? >> i think i would say it couldn't have happened a minute sooner. i think we were ready. i think the roll out, we were pleased with where we were at. ron is the lead regulator, and facing tough criticism. half of residents thing the state is doing a poor job handling the new law. >> what do you think hearing that, that half of the people don't think the state has done a good job.

. >> according to kevin wong, the number of explosions has more than doubled in the last year to 32, six retail legalization went into effect. >> that's his legs. >> my. >> so far the numbers of small but the casualties may increase as the businesses grow and state authorities scramble to keep up. denver colorado. >> this evening america tonight will look at what scientists know and do not know about marijuana at 9:00 p.m. eastern. >> that attack in paris raising questions about the us of comedy to convey controversial messages. >> an award winning cartoonist will weigh in on some of the dangers of satire. >> artists around the world using creativity to express con doles for those who died in paris. >> it is time for our wig quote. many called the violence in the newsroom of charlie hebdo an attack on the freedom of expression. >> one said this: >> who had that to say, next. >> pretty powerful words there who said this: >> our big quote this morning is from the editor of charlie hebdo and he was one of those killed, 12 killed in the attack on the paper's newsroom. that he made those