LA's new mayor for most of his life was an extreme radical who advocated turning the Southwest into the new nation of "Aztlan," the stated goal of MEChA, of which he was a high officer for many years.
In Spanish, mecha means "fuse," as in the lit fuse of the dynamite bomb the eagle is holding in the official MEChA logo.
.........shaking head sadly.........
They are coming to America, they are extending Mexico and all that it is.