reporter: married 25 years michelle and al lupiano share a rare noncancerous brain tumor diagnosis. michelle s coming 22 years after al s it s like being struck by lightning at the same time. reporter: last summer al s sister angela found out she also had a brain tumor. hers was deadly. i made a promise to her before she passed that i ll get to the bottom of it. reporter: he found another area family hit with similar illness and tragedy. searching facebook, his list grew longer. here we are today at 103 reporter: lupiano says all of these people share one thing in common. they either worked at or went to this high school in woodbridge township, new jersey. radiation can cause an higher incidents of cancer in general as well as brain tumors but it s difficult to say if they re definitely an environmental cause for this. reporter: the people lupiano found mostly spent time at colonia high school between 1972 and 2000. woodbridge s mayor said an investigatio for radiatio
the possible connection between the school and these diagnoses, classes have remained in session. in those halls today two of lupiano s nieces walking through the same school their mother once did. their father distraught. in my heart i hope they don t find anything that s still there. reporter: tonight the federal epa confirms it is aware of the cases and is working with new jersey state and local officials as they investigate the mystery. tom? we hope they find some answers thank you for that. and we re back in a moment with the president s tax return and how it s making history.