1.   He suspected that the woman staying in the flat above was using heroin.

2.   And more than a few parents have been deceived into thinking that their children could not possibly be using heroin because they do not look like addicts.

3.   And most began using heroin when they were still in their early teens.

4.   A month later, Coltrane quit using heroin.

5.   After his birth, Perez began using heroin.

6.   But Coleman also freely admitted in court last year that he had used heroin shortly before testifying against Skakel in front of a grand jury.

7.   But she cannot stop using heroin.

8.   But there have been plenty of days when everything is going great, and I still want to use heroin.

9.   Coleman, who has admitted repeatedly to inconsistent testimony, said he had used heroin as recently as Monday.

10.   Federal studies also have shown that addicts on methadone are less likely to commit crimes and more likely to work than if they were still using heroin.