Families seek to hold Tech fraternities liable for students' deaths BY D. LANCE LUNSFORD AVALANCHE-JOURNAL Two Texas Tech fraternities are facing similar allegations in separate lawsuits after the deaths of two pledges following pledge retreats in 2001 and 2002. Delta Sigma Phi (DSP), Tau Kappa Epsilon (TKE) and a number of their members are facing suits filed by parents of the former pledges. The suits' allegations include hazing and sleep deprivation. The fraternities say no wrongdoing occurred. While DSP and 49 members are accused of several violations of Tech policy and Texas law regarding hazing, TKE faces the same accusations...