What’s is the name of the soft tissue that the femoral condyle rest on called

The ends of the femur are covered in a smooth, slippery substance called articular cartilage. This cartilage protects and cushions the bone when you bend and straighten your knee. The normal anatomy of the knee.

there are men and women, some choose to be both or change their gender. often times those people go by "other". those who change their gender are known as "transgender"

when comparing the cases, what similarities are there in the cases that suggest one person committed these murders?