1. Pallas septile Pluto; Pluto trine Jupiter (ruler of Pallas).
2. Venus square Nodes.
3. Venus indirectly quincunx Pluto and ruled Mercury which is sesquiquadrate Pluto.
4. Pluto trine Moon.
5. Sun widely quincunx Pluto and ruled Mercury which is sesquiquadrate Pluto.
This expression of the formula is relatively weak -- no concurrent reports of major violence elsewhere.
The yod pitting Mars in Scorpio against Uranus and Venus hints at deadly violence against those who "love differently".
Against the horoscope of the state of Florida, we have not the usual transiting Pluto against natal Pallas but transiting Jupiter sesquiquadrate Florida's Pallas. This suggests bad behavior not for its own sake but for some sort of cause.
The suspected perpetrator, Omar Mateen, an Islamic Afgani-American, Wackenhut employee, and registered Democrat (apparently also aligned with ISIS), likely has the Bloodbath Formula in his horoscope.
1. Pallas conjunct South Node and ruled by Venus which is conjunct Pluto.
2. Venus sextile Neptune.
3. Venus conjunct Pluto.
4. Moon probably ruled by Venus which is conjunct Pluto; Moon possibly quindecile Pluto.
5. Sun ruled by Pluto.
Transiting Pluto at 16 Capricorn is widely square Mateen's Pallas at 24 Libra.
Had one or more nightclub patrons or bouncers been armed, this night might have gone much differently. In Florida, bars are "gun free zones".