Nicola Cross was brutally killed by a stranger who had been "hearing voices" Marcin Porczynski. He earlier tried to gain entry to her house, was taken into custody and released. Marcin returned to Nicola's house. He stabbed Nicola 10 times, killing her after the first knife wound. Nicola's 2 children were also in the house. All the while her husband Daniel Cross, helplessly sat on the other end of the phone.