In a recent work , we emphasized that an excess in tri-lepton events plus missing energy observed by the ATLAS experiment at the LHC could be interpreted as a signal of low energy supersymmetry .
In such a scenario the lightest neutralino mass is approximately m _ { \chi } \simeq 60 GeV and the direct Dark Matter detection cross section is naturally below the current bound .
In this work we present simple extensions of this scenario that lead to an explanation of the gamma ray excess at the center of the galaxy observed by Fermi-LAT , as well as the anti-proton excess observed by AMS-02 .
These extensions include the addition of a small CP violating phase in the neutralino sector or the addition of a light CP-odd Higgs scalar .
Our study is of special relevance in view of a recent analysis that casts doubt on the previously accepted preference for mili-second pulsars as the origin of the galactic center excess .