After a repair visit to Javier's apartment NYCHA says it fixed Javier's mold problem. But he believes the fix is only a temporary. In his quest to prove it, Javier turns asthma detective, visiting several neighbors to see if their apartments have asthma triggers.Jan. 6, 2014
UP NEXT
Baltimore reporters discuss their coverage of the Anton Black case
03:26
Remembering Anton Black
02:32
A Troubling Past
01:48
President of Law Enforcement Legal Defense Fund Speaks to ‘Dateline’ about Anton Black, 19-Year-Old Who Died While Being Taken into Police Custody
00:33
Parents of Anton Black, 19-Year-Old Who Died While Being Taken into Police Custody, Speak to ‘Dateline’