Creating permanent corpse problem

The permanent corpses I create with Unit - Create permanent corpse arn't permanent, they disappear after about a minute. I even tried using Unit - suspend corpse delay and unit - pause on the created corpse...didn't work :/

probley a better way to do this but create a unit where ever u want play its death animation, pause it, and add locust ability to it
the custom script that i use to add the ability is:
custom script: call UnitAddAbilityBJ('Aloc',GetLastCreatedUnit())

that'll make it so he can't be attacked or selected

If you're trying to get the body play death, if it's the bones you want you play Decay, then do the rest as he said.