reporter: it's a mass for the 55 young men and women murdered in camden in the past year, father michael doyleating. >> georgianna jedrzejewski, 56, stabbed to death.ç >> reporter: for 18 years, father doyle has been conducting a mass for the murdered. >> i counted up this morning the number of murders since we started in 1995, and the number was 788.ç imagine. in this little town, 788 persons lost their lives in this city in that tragic fashion. it's a terrible place for a kid to grow up. it's terrible.ç it is terrible, and that's why ç i -- and i think of america as being a generous country, but america has made a decision to sacrifice the poor, for the poor are concentrated in this country. you go from one city to another, they're concentrated. that concentration is deadly. >> reporter: nowhere, according to the most recent census, are the poor more concentrated than in camden.ç nearly half the population of 77,000 lives in poverty. unemployment is almost 20%. you can buy a house here for as little as $15,000. across the delaware river in the shiny city of philadelphia, houses go for as

. >>> coming up -- lucky severson reports on the long campaign of catholic priest michael doyle to fightpoverty and crime in camden, new jersey. >> we're working against the odds, but i think god is on our side. >> reporter: also, deborah potter on the ethics of inoculation, as contagious diseases such as measles and whooping cough make a comeback. >> there is really also a moral responsibility and an ethical responsibility, i think, for parents to look at their community and think, you know, would i want these children to be sickened because i decided not to vaccinate my child?