Brihat Parashara Hora Shastra
मारकोऽपि न हन्ताऽसौ मन्दज्ञौ मारकौ स्मृतौ । मीनलग्नोद् भवस्यैवं फलानि परिचिन्तयेत् ॥ ४४॥
Though Mangal is a killer, he will not kill the native (independently). Śani and Budh are killers.
english translation
mArako'pi na hantA'sau mandajJau mArakau smRtau । mInalagnod bhavasyaivaM phalAni paricintayet ॥ 44॥
hk transliteration by Sanscript