Who advised that nicholas 2 and his wife be killed?

The decision to kill Tsar Nicholas II and his family was ultimately made by the Bolshevik leadership during the Russian Civil War. Key figures involved in the decision included Vladimir Lenin and Leon Trotsky, although it was carried out by local Bolshevik authorities in Yekaterinburg. The execution aimed to prevent the Romanovs from becoming rallying points for counter-revolutionary forces.