Mexican onyx

So, as far as Mexican officials like Peña Nieto are concerned, the goal is to keep their countrymen here — and keep them happy.
Why Mexicans Are Enraged by Obama’s Big Tuesday Meeting|Ruben Navarrette Jr.|January 6, 2015|DAILY BEAST
Two-thirds of those who likely to benefit from the new policy are Mexican.
Why Mexicans Are Enraged by Obama’s Big Tuesday Meeting|Ruben Navarrette Jr.|January 6, 2015|DAILY BEAST
In the Latino community the legacy of the Mexican Mafia spans multiple generations.
The Mexican Mafia Is the Daddy of All Street Gangs|Seth Ferranti|December 11, 2014|DAILY BEAST
Virtually all the southwestern gangs of Mexican heritage (Surenos or Southsiders) are under their control.
The Mexican Mafia Is the Daddy of All Street Gangs|Seth Ferranti|December 11, 2014|DAILY BEAST

The Mexican Mafia run their empire from the penitentiary to the streets of LA.
The Mexican Mafia Is the Daddy of All Street Gangs|Seth Ferranti|December 11, 2014|DAILY BEAST
At last there appeared some probability of their accomplishing this, after a most curious and truly Mexican fashion.
Blackwood's Edinburgh Magazine, No. CCCXXXIX. January, 1844. Vol. LV.|Various
But the Mexican caballeros had no notion of coming up to the scratch a third time.
Blackwood's Edinburgh Magazine, No. CCCXXXIX. January, 1844. Vol. LV.|Various
The Mexican artillery soon laid a part of the fort in ruins.
Blackwood's Edinburgh Magazine, No. CCCXXXIX. January, 1844. Vol. LV.|Various
I only saw the glitter of a bayonet which a Mexican thrust into his shoulder, at the very moment he was helping me up.
Blackwood's Edinburgh Magazine, No. CCCXXXIX. January, 1844. Vol. LV.|Various
Meanwhile, Matt, paying no heed to the other Mexican, had picked up the little girl and was carrying her toward the gate.
Motor Matt's "Century" Run|Stanley R. Matthews