That’s exactly what Lucius did as well.
And everyone else who took Voldemort’s place as a death eater.
Lucius told me she likes Lockhart and then made it look like I’m doubting her in front of the world.
She did everything in her power to bring me down and get me out of the way and spoil my name.
Because she wanted Lockhart.
And people in Askaban helped her.
…
Lucius knew the truth about Voldemort and Bellatrix.
She betrayed me for Lockhart.
After that she kept using horcruxes.
But in front of the world she would say things like, “I miss you can we please meet”
When I would react, she would play the victim card.
Voldemort paved the way and she just had to follow.
Everyone else did the same thing.
…