Gus 's cleaner Mike Ehrmantraut ( Jonathan Banks ) drags Walt to the laboratory and threatens to kill him unless he tells them where Jesse is hiding .
When the dealers murder Tomas , Jesse plots revenge , but Walt intervenes by killing the dealers himself .
Gus 's cleaner Mike Ehrmantraut ( Jonathan Banks ) drags Walt to the laboratory and threatens to kill Walt unless Walt tells them where Jesse is hiding .
When the dealers murder Tomas , Jesse plots revenge , but Walt intervenes by killing the dealers himself .