Dee ihe ga-aga n'ihu na paragraf a - N'afọ 2009, Tepper sonyeere CBS News <unk> Investigative Unit dị ka Onyeisi Nnyocha Nchọpụta. E gosipụtara akụkọ ya na CBS Evening News, CBS ụtụtụ a na 60 Minutes. O nyekwara aka na CBS News <unk> mkpuchi nke bọmbụ Boston, Newtown Massacre, na mwakpo ndị na-eyi ọha egwu na Paris, Brussel, na Nice
Ọ dị mma. N'ọnwa Nọvemba 2013, Len Tepper na ndị otu nyocha ahụ ka e hotara n'akụkọ Politico maka inwe ezigbo isi mmalite n'ime FBI.