has escaped
Nadie sabe adónde él ha escapado.
Nobody knows where he has escaped to.
Campbell ha escapado una vez más, sin dejar rastro.
Campbell has escaped once again, without leaving a trace.
— Mother Night (1996)
Uno de los leones ha escapado.
One of the lions has escaped.
No se sabe por qué ha escapado.
It is not known why he escaped.