tom ackermann reports on the problem. >> nowhere in the u.s. is the drug problem more severe than in the state of massachusetts. >> opioid abuse is stealing our family and friends one person at a time. people call it a playing. >> since seventh grade, i started smoking weed, drinking all the time. by 10th grade, i'm doing heroin. >> state officials say they are giving priority to the problem, but after filling prisons, they are shifting to a different approach. >> we are not going to arrest or incarcerate our way and you have this. this is a disease. this is a public health crise and we must treat it and address it as much. >> in gloucester, the police chief promises any addict who turns in his drugs immediate treatment and without punishment. >> we don't believe in hiding it. we believe the more we reduce the stigma, the more we get people involved, the less problem we're going to have. >> in three months, more than 100 people in the small town have taken up the amnesty offer. massachusetts is also one of 25 states which authorizes emergency f

. >> the republican presidential candidates are taking to the stage in ohio, as tom ackermann reports. >> i am announcing that i'm running for president of the united states. [ cheers and applause ] >> the republican nomination for president of the united states of america. >> republican contenders who have officially declared for the presidency. >> i am putting myself forward as a candidate for president of the united states of america. >> last and by no means the final count, more than 120 men and women are running. 17 of them have been invited for the first debate, still too many to fit on the stage at the same time so they will be split into two shifts. the main act to feature the 10 oh contenders with the highest average rankings in the polls. after the 2012 election which saw barack obama defeat mitt romney, republican officials decided the primary debates had hurt more than helped their nominees' campaign. >> i think our debate calendar needs to be shrunk. we had way too many debates candidates slicing and dicing each other and they had to wait too long to get to the convention

tom ackermann is in washington, d.c. to talk us through this. i've seen this footage, it's quite harrowing. perhaps you can talk us through what happened. >> we are getting fragmentary reports about the authorities' search for the gunmen, but according to the television station and as you can see from the live broadcast, 24-year-old reporter allison parker and 27-year-old photographer adam ward were interviewing a personality a shopping mall near the city of roanoke when a shot range out, rather shots rang out and both were killed at the scene. it is not clear what the motive might have been. the interview was not of a political nature. it was about tourism, so it is not clear what exactly the reasoning, if any, the gunman might have had in the course of this, but as we said, authorities are now searching for the gunman. >> a seemingly random shooting of two american journalists in suburb i can't, this will get people talking and focus the conversation on guns in the united states again. >> actually, this is in a rather rural area of virginia, n

tom ackermann reports now from the campaign trail in south carolina. >> across this state, thousandsed to hear self described socialist, bernie sanders, declaim his favorite populist themes. >> this campaign is sending a message to the most powerful people in this country, to the billionaire class, and what we are saying to them is you're no longer going to be able to get it all. >> it is not a radical idea, it is an american idea, that if somebody works 40 hours a week, that person should not be living in poverty. [ cheers and applause ] >> the 73-year-old senator from vermont wins praise from his admirers for qualities they consider lacking in the democratic front runner. >> i see hillary clinton as being beholden to corporations, where bernie sanders is getting his support from the people he claims to represent. >> sanders has been steadily narrowing the gap with clinton in recent polls, ranking even with her in early primary voting states. >> as much as sanders is drawing voters away from hillary clinton, his big challenge in states like south carolina is to attract more blacks a