They packed their stuff, and left. Their senior neighbor did not - she ended up getting killed. Apparently gangs like that just seize apartments, and use them for criminal activities (prostitution, drugs, kidnappings, torture/executions, etc.).
Her parents eventually managed to get to the US, but her uncle died on the way - victim of some kidnapping scheme, where gangs/cartels snatch up immigrants on the way, and blackmail their families in the target countries.
Suffice to say, we never visited Honduras - but it's pretty surreal to know that this is the everyday stuff a lot of people go through, in Central America. One day everything is normal, the next day you're a refugee, just like that - and there's no justice in sight, because that would mean getting yourself or your family killed.