Thanks to reporters Mark Puente & Wesley Lowery for the screen shot:
The official list of charges against the 6 officers (not 1, not 2, not 3...six) is out:
And thanks to Twitter user "Kittenban" for the link:
Depraved-heart murder, also known as depraved-indifference murder, is an American legal term for an action that demonstrates a "callous disregard for human life" and results in death. In most states, depraved-heart killings constitute second-degree murder.[1]
If no death results, such acts would generally be defined as reckless endangerment (sometimes known as "culpable negligence") and possibly other crimes, such as assault.
Update: This says it all:
UPDATE: And now the Baltimore Fraternal Order of Police have channelled their inner Frank Nitti:
"Nice career you & your husband have got there...be a shame if anything happened to them..."