From Phoenix police Facebook Page:

DO NOT LEAVE ANY TIPS ON FACEBOOK.

UP TO $6,000 REWARD!!! Phoenix Police and Silent Witness are looking for the DPS Officer shooting suspect RAMON BUENO and investigative leads, Danny Vargas and Vanessa Martinez.

If you have any information regarding this case you may contact
Silent Witness at W-I-T-N-E-S-S, that’s 480-948-6377, or toll free
at 1-800-343-TIPS. You can also leave an anonymous tip on the silent witness website at silentwitness.org.