The aunt of an innocent man gunned down outside a western Sydney home says officers should have been patrolling the street where his killer lay in wait.

The killing of an innocent man in his suburban bed demands authorities get real on dealing with gangland violence.

The NSW government is considering stronger powers for police grappling with an escalation of gangland violence, as pressure mounts over two mistaken identity killings this week.

The NSW government has pledged to crush Sydney's organised crime networks after an innocent man was gunned down in Merrylands.

The aunt of an innocent man gunned down outside a western Sydney home says officers should have been patrolling the street where his killer lay in wait.