One verse

Srimad Bhagavatam 4.17.26

4.17.26

पुमान् योषिदुत क्लीब आत्मसम्भावनोऽधम: । भूतेषु निरनुक्रोशो नृपाणां तद्वधोऽवध: ॥ २६ ॥

puman yosid uta kliba atma-sambhavano ’dhamah bhutesu niranukroso nrpanam tad-vadho ’vadhah

puman
a man
yosit
a woman
uta
also
klibah
a eunuch
atma-sambhavanah
interested in self -maintenance
adhamah
lowest of humankind
bhutesu
to other living entities
niranukrosah
without compassion
nrpanam
for the kings
tat
of him
vadhah
killing
avadhah
not killing.

Any cruel person—be he a man, woman or impotent eunuch—who is only interested in his personal maintenance and has no compassion for other living entities may be killed by the king. Such killing can never be considered actual killing.