A 39-year-old CEO of a Bengaluru-based startup allegedly killed her four-year-old son in Goa. Suchana Seth, then travelled with the child’s body to neighbouring K'taka, police said on Tuesday. On intimation by Goa’s Calangute Police, K'taka police detained Seth at Aimangala in the Chitradurga on Tuesday afternoon. Strained relationship with her husband, currently abroad, may have been the motive.