However, this is subject to any exclusions in the policy, and the beneficiary cannot be responsible for the death of the insured.
The beneficiary is the person or persons the insured chooses to receive the death benefit of the life insurance policy when the insured purchases the coverage.
The beneficiary can be changed, and more than one person may be named as a beneficiary.
Also, secondary beneficiaries may be named, in case the primary beneficiary is not alive when the insured person dies.
Here's an article that explains more about beneficiaries to life insurance policies and how they work.