Same as it ever was.

In short, yes, it's most likely true that nonhuman brains can be lateralized in function.

For a very simple example, damaging the visual cortex of animals unilaterally (only on one hemisphere) will result in unilateral blindness. This indicates that visual information is processed on a hemispherical basis.

Same for a lot of the lines in Boston.

If it's the result of another crime that they can show you're responsible for? Absolutely.