MLE of a Laplace Location Parameter

Suppose short-horizon pricing errors are modeled as i.i.d. Laplace$(\mu,b)$ with known scale $b=2$, so the density is proportional to $e^{-|x-\mu|/2}$. The observed sample is $$-1,\;0,\;2,\;2,\;3,\;5,\;7.$$ Find the MLE of $\mu$.