WARNING : GRAPHIC DETAILS . Martin Richard was among three young people killed at the Boston Marathon bombing in April 2013 . At accused bomber Dzhokhar Tsarnaev 's trial on Monday , a medical examiner detailed the horrific injuries he suffered . One of his arms was nearly ripped from his body and a 6-inch-by-six-inch wound to his abdomen exposed his intestines . Metal , nails , wood and plastic were found inside his body . The wounds are so severe that they could have caused death if not for emergency surgery performed by doctors who rushed him to nearby Beth Israel Deaconess Medical Center.
WARNING : GRAPHIC DETAILS . Martin Richard was among three young people killed at the Boston Marathon bombing in April 2013 . At accused bomber Dzhokhar Tsarnaev 's trial on Monday , a medical examiner detailed the horrific injuries he suffered . One of his arms was nearly ripped from his body and a 6-inch-by-six-inch wound to his abdomen exposed his intestines . Metal , nails , wood and plastic were found inside his body . Another medical examiner on Monday detailed the wounds suffered by Lingzi Lu , 23 , who died within minutes after femoral artery was severed . The prosecution has now rested its case .